\ This will set the SPN for your NDES service account. Still in IIS MMC, select the Default Web Site. The information that you provide here will be used to construct the signing certificate that is issued to the service. Select the Manage CA permission Allow check box. The client receives the profile correctly from Intune, but … enrolling the NDES certificates to a HSM) and that using a gMSA to run it, is only one of the recommended hardening steps. Create a user account that will be used for the NDES service. When creating a lab on how to implement NDES (Network Device Enrollment Service) on Windows Server 2012 R2, we decided to go for gMSA to be more secure … Click Check Names, click OK twice, and then close Computer Management. Step 7 – On the Service Account for NDES screen, click Select, on the Windows security screen provide the Agent credentials (VINCENTTECHBLOG\Agent) and click Ok, and click Next Step 8 – On the Registration Authority (RA) Information screen, specify the RA Name , (Mine is ISSUINGCA-VTB-MSCEP-RA) and click Next. That’s it for the account, so now we can start with the configuration of the NDES computer. For more information about Managed Service Accounts, see. An AD user account is required for the NDES service to use. Hallo everybody, this is Andy and Dagmar from Austrian Premier Field Engineering (PFE) describing how to implement NDES using a gMSA (instead of a normal domain user account). Resolution: If the MSCEP-RA certificates are expired, reinstall the NDES role or request new CEP Encryption and Exchange Enrollment Agent (Offline request) certificates. When we installed the NDES roles on the server (both the Network Device Enrollment Service and the Certificate Authority Web Enrollment roles), we installed the additional roles needed for CMS at the same time--Basic Authentication for IIS and ASP.NET 4.5 (both the feature and the IIS role service). When we installed the NDES roles on the server (both the Network Device Enrollment Service and the Certificate Authority Web Enrollment roles), we installed the additional roles needed for CMS at the same time--Basic Authentication for IIS and ASP.NET 4.5 (both the feature and the IIS role service). NDES provides and manages certificates used to authenticate traffic and implement secure network communication with devices that might not otherwise possess valid domain credentials. On the server that is hosting the NDES service, open Computer Management (compmgmt.msc). Be aware that the whole process of securing NDES should comprise a bunch of measures (e.g. Format is FQDN, such as 'MyIssuingCAServer.contoso.com'." This is the account that will be used to request the SCEP certificate from your Enterprise Certification Authority (CA). Paramétrer les cookies J’accepte. Before configuring NDES, you should create a user account for NDES and add the user to the IIS user group. They were panicking because they thought I was deceased. Tout ce qu’il faut, c’est un appel d’API pour incorporer la possibilité de voir, d’entendre, de parler, de rechercher, de comprendre et d’accélérer la prise de … If you select the built-in application pool identity, there is no additional configuration required. Community to share and get the latest about Microsoft Learn. Hit ok and close it; Install NDES Now we are done with the CA and certificate work, we can move on to the installation of NDES on the ndes host. This enhancement lets an organization or mobile device management solution address the issue described in CERT Vulnerability Note VU#971035 “Simple Certificate Enrollment Protocol (SCEP) does not strongly authenticate certificate requests.” See http://www.kb.cert.org/vuls/id/971035 for more details on this vulnerability. Open the Validate-NDESConfiguration.ps1 script and copy it to your NDES server. Chapter4:Procedures e.Oncetheaccountisadded,provideitwiththeManageCAandIssueandManage Certificatespermissions. For example, to register a service account with the sign-in name NdesService in the cpandl.com domain that is running on a computer named CA1, you would run the following command: setspn -s http/CA1.cpandl.com cpandl\NdesService. In the Request Handling Tab, we have to uncheck the option, “Allow Private Key to be exported”. To do so: In the Select Users, Computers, Service Accounts, or Groups text box, type the name of the NDES service account, and click Check Names, and then click OK. On a domain controller there is no local user and groups , therefore it can be in the administrators of the domain. Note : The answer has to be true, otherwise it does not make any sense to continue. In Role Services, select the Network Device Enrollment Service. Wherever gMSA specific steps are required, we describe them in detail. This is the account that will be used to request the SCEP certificate from your Enterprise Certification Authority (CA). Step 2: Open the certificates MMC targeted to the computer. Comment. Before configuring NDES, you should create a user account for NDES and add the user to the IIS user group. Click Check Names to verify the name and then click OK. Click OK to close the properties dialog box. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. (Standalone) Managed Service Accounts were introduced in Windows Server 2008 R2 and are managed domain accounts that provide automatic password management and simplified SPN management, including delegation of management to other administrators but limited to only one server. Remember NDES is implemented as ISAPI extension in IIS, as such you will not see NDES as a service when you check in services.msc. Describes how to configure NDES correctly to assign SCEP certificate profiles to Intune client devices. Step 34: Right click on the new CEP Encryption certificate. Open Server Manager from the Start menu. On the RA, install the Active Directory Certificate Services role with the Network Device Enrollment Service (NDES) role service. g. Restart IIS by typing iisreset on an elevated command prompt. Type NDESSvc or the name of your NDES service account. Troubleshoot NDES configuration for use with Intune certificate … Once the server has restarted, verify that you can access the following URLs: SVC_NDES_Intune or better yet, follow your internal naming convention. d. On the Actions pane, click View Ordered List… e . In my example, I’ll use the Managed Service Account to run my IIS Application Pool. The PFX connector requires only … 3. NDES on Windows Server 2012 R2 does not play well with this. When you install NDES on a computer that is not a CA, you must select the target CA. Intune Certificate Connector - Download this connector from Intune administrator console (https://manage.microsoft.com) Lets start with practical steps with screenshots: STEP 1: Configure Certificate Authority:-> Create Service account for NDES … Step 1: First give the NDES Server Read and Enroll permission to the CEP Encryption Certificate Template. Resolution: Unlock the account or reset the password. Right-click … However, we need to configure permissions to the keys for the gMSA: a. In the New Object - User text boxes, enter appropriate names for all the fields so that it is clear that you are creating a user account. Click OK on the scary warning. Close the management console. Note: The following steps are described in, https://support.microsoft.com/en-us/kb/2800975. Cognitive Services met l’IA à la portée de chaque développeur, sans que celui-ci doive disposer d’une expertise en Machine Learning. ( it will get more rights then needed) 2. If you require over-the-air enrollment for mobile devices, see Using a Policy Module with the Network Device Enrollment Service. Managed Service Account (MSA) Is a new type of Active Directory Account type where AD responsible for changing the account password every 30 days. If you make configuration changes for NDES or to the certificate templates that are used by NDES, you must stop and restart NDES, IIS and the CA service. Subject Name tab. If you followed our recommendations and prepared custom templates instead, you can skip this step. Lastly, the private key of the new certificate needs to be configured so that the NDES service account has read permissions to it. Applies To: Windows Server 2012 R2, Windows Server 2012. The service is installed from the Microsoft Server Manager. Just accept the defaults on the RA Information page. Installing the NDES server. Note: again, we assumed for easiness that you are going to use the default templates. Must have request permission on the configured CA. Select Network Device Enrolment Service, (if not already selected). On the NDES server, run PowerShell as administrator. Type the following command to create a new gMSA: New-ADServiceAccount -name NDESgMSA -DNSHostName NDESgMSA.fabrikam.com -PrincipalsAllowedToRetrieveManagedPassword ADCSWEB02$, 2. 2. Next. Among the most transcendent NDEs ever reported to NDERF. A SCEP profile is setup with the correct parameters and is tied to a Trusted Root profile correctly. On the computer you want to use for the NDES role, open Server Manager and select Add Roles and Features: 3. Create Service Accounts. Group Managed Service accounts were introduced with Windows Server 2012 and provide the same functionality within the domain but also extend their availability to multiple servers. Click Yes to move it below the StatifFile item . This allows IIS to share IP addresses among SSL websites. Create a new user in your Active Directory and name it e.g. That account must be member of the local IIS_IUSRS group on the NDES Server. Right-click the required template and select Properties. Use the following command syntax to register the server principal name (SPN) for the NDES service account: setspn -s http/ \. http://social.technet.microsoft.com/wiki/contents/articles/9063.network-device-enrollment-service-n... https://technet.microsoft.com/en-us/library/jj128430.aspx, https://technet.microsoft.com/en-us/library/dn473016.aspx. d. Repeat the steps a – c for the Exchange Enrollment Agent (Offline) certificate. Sign-in the NDES server with access equivalent to Domain Admins. On the Security tab, you can see the accounts that have Request Certificates permissions. Configure permissions on private keys Note: again, we assumed for easiness that you are going to use the default templates. Click OK when prompted. On the Details pane in the middle, select ExtensionlessUrlhandler-ISAPI-4.0_64bit and click Move Down . You cannot download CA certificate from web enrollment pages, Active Directory Certificate Services (AD CS) Public Key Infrastructure (PKI) Frequently Asked Questions (FAQ), Windows PKI Documentation Reference and Library. Start the Add Roles Wizard. NDES can be configured to run as either of the following: A user account that is specified as a service account, The built-in application pool identity of the Internet Information Services (IIS) computer. The following sections describe the configuration options that you can select after installing the NDES binary installation files. Click OK. Microsoft Network Device Enrollment Service (NDES) is a security feature in Windows Server 2008 R2 and later Windows Server operating versions. In an upcoming article I will cover how change the service account passwords and how to replace the NDES service account in case of a compromise or security concerns around the service account. Step 7 – On the Service Account for NDES screen, click Select, on the Windows security screen provide the Agent credentials (VINCENTTECHBLOG\Agent) and click Ok, and click Next. NDES acts as a registration authority for a CA thereby leveraging the Simple Certificate Enrollment Protocol (SCEP). I don’t remember the article, its probably the main one in Intune describing how to install NDES for deploying certificates to enrolled devices using scep. Installing the NDES server. With MSA no one needs to set up the account password or even know it, the entire password management process Is managed by Active Directory. From the context menu, select All Tasks then Manage Private Keys… Step 35: Add the NDES service account and ensure that it … Step 8 – On the Registration Authority (RA) Information screen, specify the RA Name, (Mine is ISSUINGCA-VTB-MSCEP-RA) and click Next. Why all the effort? Running the script is fairly simple, you only have to provide the following input parameters: CertificateAuthorityName This needs to be a combination of the \ Example input: CA01.domain.local\DOMAIN-CA01-CA ; … Setting up NDES using a Group Managed Service Account (gMSA), http://www.microsoft.com/en-us/download/details.aspx?id=46406&WT.mc_id=Blog_Intune_General_PCIT, Note: On Windows Server 2012, IIS supports Server Name Indication (SNI), which is a TLS extension to include a virtual domain as a part of SSL negotiation. Ensure that it’s only given Read permissions and click OK. Open Server Manager from the Start menu. Cause 2: The MSCEP-RA certificates are expired. Configuring and managing Network Device Enrollment Services (NDES) Configuring NDES follows the same overall process as configuring other role services in that it’s installed as a role service, a service account is specified, and then a CA for the service is specified. However, it should be noted that if this feature is enabled, clients (in this case the mobile device itself or the MDM (Mobile Device Management Tool) not ready for SNI will not be able to contact NDES. Make note of the certificate template name, you’ll need that later. You may have to change PowerShell ExecutionPolicy to Unrestricted to run the script. An AD user account is required for the NDES service to use. George J NDE 1/5/2013. on Microsoft TechNet. Step 33: Add the NDES service account and ensure that it just has Read permission. (If not created already, then kindly create a NDES service account for this purpose which makes the management more streamlined). Grant Read and Enroll permissions on Exchange Enrollment Agent (Offline Request) template to NDESAdmin. We are repeating them here in a summarized way in order to provide a complete guide of all steps required. The Network Device Enrollment Service (NDES) is one of the role services of the Active Directory Certificate Services (AD CS) role. Hit ok and close it; Install NDES Now we are done with the CA and certificate work, we can move on to the installation of NDES on the ndes host. Step 1: First give the NDES Server Read and Enroll permission to the CEP Encryption Certificate Template. Click Add. Write-Verbose-Message " - Successfully configured service principal name for NDES service account "} Write-Verbose-Message " - Successfully configured service principal names for NDES service account "} catch [System.Exception] {Write-Warning-Message " Failed to configure service princal names for NDES service account "; break} Find more details about SNI at. Fully managed intelligent database services. Find out more about the Microsoft MVP Award Program. The RA does not need to be a CA. Whenever this account is references in this blog, refer to the account that you’ve created. On the Credentials screen, ensure that the NDES Admin account (which was created as part of the prerequisites) is selected. The Network Device Enrollment Service performs the following functions: Generates and provides one-time enrollment passwords to administrators, Retrieves enrolled certificates from the CA and forwards them to the network device. Select Supply in the request. Open Windows PowerShell or a command prompt as an administrator. On the Specify the service account page, select Use the built-in application pool identity . To install the gMSA on ADCSWEB02 type: Install-ADServiceAccount NDESgMSA c. To verify if the gMSA has been configured properly, type: Test-ADServiceAccount NDESgMSA. It implements the Simple Certificate Enrollment Protocol (SCEP). 5. The Network Device Enrollment Service (NDES) allows software on routers and other network devices to obtain digital certificates without running any domain credentials. For some reason the account I was logged on with didnt have permissions to get details about the NDES service account used in IIS(?). On the RA Information page, all the required and optional fields for setting up the service as the RA are collected. By default the group Authenticated Users has this permission. In some strict controlled environment like the one I had to deploy NDES to, I needed to request and explain the reason for each ndes service account permissions requested. Next you will need to use the Certificate Templates snap-in to configure both Read and Enroll permissions for the NDES user on the IPsec (Offline Request) certificate template. Ensure that NDES service account is selected. The Network Device Enrollment Service uses two certificates and their keys to enable device enrollment. In Cryptography for NDES, set the key length to meet your company requirements. Cause 1: The NDES service account is locked or its password is expired. 3. However, the recommended configuration is to specify a user account, which requires additional configuration. Now for the SCEP pool in IIS to run, the NDES service must first start successfully. In the Computer Management console tree, under System Tools, expand Local User and Groups. Open an elevated command prompt. Otherwise, register and sign in. Click Next . Please refer to this whitepaper focusing on NDES security: http://www.microsoft.com/en-us/download/details.aspx?id=46406&WT.mc_id=Blog_Intune_General_PCIT. But oooops, it wasn’t so simple then…. Then configure the gMSA on the NDES host machine: a. … Connect and engage across your organization. In the console tree, expand the structure until you see the container where you want to create the user account. Must be a domain user account and have Read and Enroll permissions on the configured templates. However, if that is not the case, you should grant the NDES service account Request Certificates permission on the CA. 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service account for ndes

Ensure that you set a complex password for the account and confirm the password. NDES can be configured to run as either of the following: A user account that is specified as a service account. Vous pouvez paramétrer les cookies à tout moment sur la page Gérer les cookies. In the Request Handling Tab, we have to uncheck the option, “Allow Private Key to be exported”. However, we need to configure permissions to the keys for the gMSA: a. Write-Host "-IssuingCAServerFQDN -ca Name of the issuing CA to which you'll be connecting the NDES server. That’s why we are processing the installation using more or less the default settings. NDE due to motorcycle accident. Instead the service runs within the w3wp.exe process which is an IIS worker process. The example here is ‘MobileUser’ from the CA Setup Document. Configure the password options to correspond to your organization's security policies regarding service accounts. In the Security tab, we will add the NDES service account and the Computer account with Read and Enroll permission. Right-click the certification authority, and then click Properties. Click OK. Set the Read and Enroll permissions on the certificate template for the NDES/SCEP Service Account and the Device Administrator. Run the Certificate Templates Console by running certtmpl.msc from the Windows Desktop. Click OK. Currently, my on-premises NDES setup is working fine. SCEP defines the communication between network devices and a Registration Authority (RA) for certificate enrollment. Open Active Directory Users and Computers by using an account that has permissions to add users to the domain. Log in to the NDES box using the NDES_Admin account created earlier. The Network Device Enrollment Service (NDES) allows software on routers and other network devices running without domain credentials to obtain certificates based on the Simple Certificate Enrollment Protocol (SCEP). Just accept the defaults on the Cryptography for NDES page (2048 key lengths). This section describes common scenarios and what permissions are required. You can select the CA by the CA name or by the computer name. Use this opportunity to verify that the correct account is being used (i.e. You must be a registered user to add a comment. First published on TECHNET on Apr 26, 2015. f. Repeat steps a to f for the /Certsrv/mscep_admin application. NDES provides and manages certificates used to authenticate traffic and implement secure network communication with devices that might not otherwise possess valid domain credentials. On the Role Service page, select Network Device Enrollment Service and click Next . Save the template and then close out of certificate manager back to the main Certification Authority console. Set the Read and Enroll permissions on the certificate template for the NDES/SCEP Service Account and the Device Administrator. Remember NDES is implemented as ISAPI extension in IIS, as such you will not see NDES as a service when you check in services.msc. It implements the Simple Certificate Enrollment Protocol (SCEP). Select the Service Account: Fill in information required for the RA certificate. Before we install the NDES server, we first need to create a new service account in your Active Directory domain using Active Directory Users and Computers. If you've already registered, sign in. Next you will need to use the Certificate Templates snap-in to configure both Read and Enroll permissions for the NDES user on the IPsec (Offline Request) certificate template. Also, if the service account doesn’t have an Intune license assigned, it will throw up an ‘unexpected error’. For example, some organizations have a Services OU or similar account. Organizations must make a number of decisions before deciding to deploy NDES, including the following: ♦ The name of the NDES registration authority (RA), and what country/region to use: any certificates issued will include this information. Add NDES_Service Account and assign it Read and Request Certificate rights. If you select the built-in application pool identity, there is no additional configuration required. Sign in to the domain controller or administrative computer with Active Directory Domain Services Remote Server Administration Tools installed. This user account must be a member of the IIS_IUSRS built-in group on the local system. … The option you choose will determine the type of dialog box that is presented next. … (If not created already, then kindly create a NDES service account for this purpose which makes the management more streamlined). Verify NDES configuration on-premises for SCEP certificates. Next, add the NDESgMSA account to the IIS_IUSRS group on the NDES host machine. 2. I created a user with the name of scep and added it to the group before starting the configuration wizard. NDES is also one of the role services on Active Directory Certificate Services (AD CS) role. The result of this design is that the NDES owns an extremely powerful type of certificate (Exchange Enrollment Agent (Offline request) by default) which allows NDES to request certificates with almost any subject from the CA. That account must be member of the local IIS_IUSRS group on the NDES Server. Additionally, you also need to be able to input the NDES service account credentials. setspn -s http/ \ This will set the SPN for your NDES service account. Still in IIS MMC, select the Default Web Site. The information that you provide here will be used to construct the signing certificate that is issued to the service. Select the Manage CA permission Allow check box. The client receives the profile correctly from Intune, but … enrolling the NDES certificates to a HSM) and that using a gMSA to run it, is only one of the recommended hardening steps. Create a user account that will be used for the NDES service. When creating a lab on how to implement NDES (Network Device Enrollment Service) on Windows Server 2012 R2, we decided to go for gMSA to be more secure … Click Check Names, click OK twice, and then close Computer Management. Step 7 – On the Service Account for NDES screen, click Select, on the Windows security screen provide the Agent credentials (VINCENTTECHBLOG\Agent) and click Ok, and click Next Step 8 – On the Registration Authority (RA) Information screen, specify the RA Name , (Mine is ISSUINGCA-VTB-MSCEP-RA) and click Next. That’s it for the account, so now we can start with the configuration of the NDES computer. For more information about Managed Service Accounts, see. An AD user account is required for the NDES service to use. Hallo everybody, this is Andy and Dagmar from Austrian Premier Field Engineering (PFE) describing how to implement NDES using a gMSA (instead of a normal domain user account). Resolution: If the MSCEP-RA certificates are expired, reinstall the NDES role or request new CEP Encryption and Exchange Enrollment Agent (Offline request) certificates. When we installed the NDES roles on the server (both the Network Device Enrollment Service and the Certificate Authority Web Enrollment roles), we installed the additional roles needed for CMS at the same time--Basic Authentication for IIS and ASP.NET 4.5 (both the feature and the IIS role service). When we installed the NDES roles on the server (both the Network Device Enrollment Service and the Certificate Authority Web Enrollment roles), we installed the additional roles needed for CMS at the same time--Basic Authentication for IIS and ASP.NET 4.5 (both the feature and the IIS role service). NDES provides and manages certificates used to authenticate traffic and implement secure network communication with devices that might not otherwise possess valid domain credentials. On the server that is hosting the NDES service, open Computer Management (compmgmt.msc). Be aware that the whole process of securing NDES should comprise a bunch of measures (e.g. Format is FQDN, such as 'MyIssuingCAServer.contoso.com'." This is the account that will be used to request the SCEP certificate from your Enterprise Certification Authority (CA). Paramétrer les cookies J’accepte. Before configuring NDES, you should create a user account for NDES and add the user to the IIS user group. They were panicking because they thought I was deceased. Tout ce qu’il faut, c’est un appel d’API pour incorporer la possibilité de voir, d’entendre, de parler, de rechercher, de comprendre et d’accélérer la prise de … If you select the built-in application pool identity, there is no additional configuration required. Community to share and get the latest about Microsoft Learn. Hit ok and close it; Install NDES Now we are done with the CA and certificate work, we can move on to the installation of NDES on the ndes host. This enhancement lets an organization or mobile device management solution address the issue described in CERT Vulnerability Note VU#971035 “Simple Certificate Enrollment Protocol (SCEP) does not strongly authenticate certificate requests.” See http://www.kb.cert.org/vuls/id/971035 for more details on this vulnerability. Open the Validate-NDESConfiguration.ps1 script and copy it to your NDES server. Chapter4:Procedures e.Oncetheaccountisadded,provideitwiththeManageCAandIssueandManage Certificatespermissions. For example, to register a service account with the sign-in name NdesService in the cpandl.com domain that is running on a computer named CA1, you would run the following command: setspn -s http/CA1.cpandl.com cpandl\NdesService. In the Request Handling Tab, we have to uncheck the option, “Allow Private Key to be exported”. To do so: In the Select Users, Computers, Service Accounts, or Groups text box, type the name of the NDES service account, and click Check Names, and then click OK. On a domain controller there is no local user and groups , therefore it can be in the administrators of the domain. Note : The answer has to be true, otherwise it does not make any sense to continue. In Role Services, select the Network Device Enrollment Service. Wherever gMSA specific steps are required, we describe them in detail. This is the account that will be used to request the SCEP certificate from your Enterprise Certification Authority (CA). Step 2: Open the certificates MMC targeted to the computer. Comment. Before configuring NDES, you should create a user account for NDES and add the user to the IIS user group. Click Check Names to verify the name and then click OK. Click OK to close the properties dialog box. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. (Standalone) Managed Service Accounts were introduced in Windows Server 2008 R2 and are managed domain accounts that provide automatic password management and simplified SPN management, including delegation of management to other administrators but limited to only one server. Remember NDES is implemented as ISAPI extension in IIS, as such you will not see NDES as a service when you check in services.msc. Describes how to configure NDES correctly to assign SCEP certificate profiles to Intune client devices. Step 34: Right click on the new CEP Encryption certificate. Open Server Manager from the Start menu. On the RA, install the Active Directory Certificate Services role with the Network Device Enrollment Service (NDES) role service. g. Restart IIS by typing iisreset on an elevated command prompt. Type NDESSvc or the name of your NDES service account. Troubleshoot NDES configuration for use with Intune certificate … Once the server has restarted, verify that you can access the following URLs: SVC_NDES_Intune or better yet, follow your internal naming convention. d. On the Actions pane, click View Ordered List… e . In my example, I’ll use the Managed Service Account to run my IIS Application Pool. The PFX connector requires only … 3. NDES on Windows Server 2012 R2 does not play well with this. When you install NDES on a computer that is not a CA, you must select the target CA. Intune Certificate Connector - Download this connector from Intune administrator console (https://manage.microsoft.com) Lets start with practical steps with screenshots: STEP 1: Configure Certificate Authority:-> Create Service account for NDES … Step 1: First give the NDES Server Read and Enroll permission to the CEP Encryption Certificate Template. Resolution: Unlock the account or reset the password. Right-click … However, we need to configure permissions to the keys for the gMSA: a. In the New Object - User text boxes, enter appropriate names for all the fields so that it is clear that you are creating a user account. Click OK on the scary warning. Close the management console. Note: The following steps are described in, https://support.microsoft.com/en-us/kb/2800975. Cognitive Services met l’IA à la portée de chaque développeur, sans que celui-ci doive disposer d’une expertise en Machine Learning. ( it will get more rights then needed) 2. If you require over-the-air enrollment for mobile devices, see Using a Policy Module with the Network Device Enrollment Service. Managed Service Account (MSA) Is a new type of Active Directory Account type where AD responsible for changing the account password every 30 days. If you make configuration changes for NDES or to the certificate templates that are used by NDES, you must stop and restart NDES, IIS and the CA service. Subject Name tab. If you followed our recommendations and prepared custom templates instead, you can skip this step. Lastly, the private key of the new certificate needs to be configured so that the NDES service account has read permissions to it. Applies To: Windows Server 2012 R2, Windows Server 2012. The service is installed from the Microsoft Server Manager. Just accept the defaults on the RA Information page. Installing the NDES server. Note: again, we assumed for easiness that you are going to use the default templates. Must have request permission on the configured CA. Select Network Device Enrolment Service, (if not already selected). On the NDES server, run PowerShell as administrator. Type the following command to create a new gMSA: New-ADServiceAccount -name NDESgMSA -DNSHostName NDESgMSA.fabrikam.com -PrincipalsAllowedToRetrieveManagedPassword ADCSWEB02$, 2. 2. Next. Among the most transcendent NDEs ever reported to NDERF. A SCEP profile is setup with the correct parameters and is tied to a Trusted Root profile correctly. On the computer you want to use for the NDES role, open Server Manager and select Add Roles and Features: 3. Create Service Accounts. Group Managed Service accounts were introduced with Windows Server 2012 and provide the same functionality within the domain but also extend their availability to multiple servers. Click Yes to move it below the StatifFile item . This allows IIS to share IP addresses among SSL websites. Create a new user in your Active Directory and name it e.g. That account must be member of the local IIS_IUSRS group on the NDES Server. Right-click the required template and select Properties. Use the following command syntax to register the server principal name (SPN) for the NDES service account: setspn -s http/ \. http://social.technet.microsoft.com/wiki/contents/articles/9063.network-device-enrollment-service-n... https://technet.microsoft.com/en-us/library/jj128430.aspx, https://technet.microsoft.com/en-us/library/dn473016.aspx. d. Repeat the steps a – c for the Exchange Enrollment Agent (Offline) certificate. Sign-in the NDES server with access equivalent to Domain Admins. On the Security tab, you can see the accounts that have Request Certificates permissions. Configure permissions on private keys Note: again, we assumed for easiness that you are going to use the default templates. Click OK when prompted. On the Details pane in the middle, select ExtensionlessUrlhandler-ISAPI-4.0_64bit and click Move Down . You cannot download CA certificate from web enrollment pages, Active Directory Certificate Services (AD CS) Public Key Infrastructure (PKI) Frequently Asked Questions (FAQ), Windows PKI Documentation Reference and Library. Start the Add Roles Wizard. NDES can be configured to run as either of the following: A user account that is specified as a service account, The built-in application pool identity of the Internet Information Services (IIS) computer. The following sections describe the configuration options that you can select after installing the NDES binary installation files. Click OK. Microsoft Network Device Enrollment Service (NDES) is a security feature in Windows Server 2008 R2 and later Windows Server operating versions. In an upcoming article I will cover how change the service account passwords and how to replace the NDES service account in case of a compromise or security concerns around the service account. Step 7 – On the Service Account for NDES screen, click Select, on the Windows security screen provide the Agent credentials (VINCENTTECHBLOG\Agent) and click Ok, and click Next. NDES acts as a registration authority for a CA thereby leveraging the Simple Certificate Enrollment Protocol (SCEP). I don’t remember the article, its probably the main one in Intune describing how to install NDES for deploying certificates to enrolled devices using scep. Installing the NDES server. With MSA no one needs to set up the account password or even know it, the entire password management process Is managed by Active Directory. From the context menu, select All Tasks then Manage Private Keys… Step 35: Add the NDES service account and ensure that it … Step 8 – On the Registration Authority (RA) Information screen, specify the RA Name, (Mine is ISSUINGCA-VTB-MSCEP-RA) and click Next. Why all the effort? Running the script is fairly simple, you only have to provide the following input parameters: CertificateAuthorityName This needs to be a combination of the \ Example input: CA01.domain.local\DOMAIN-CA01-CA ; … Setting up NDES using a Group Managed Service Account (gMSA), http://www.microsoft.com/en-us/download/details.aspx?id=46406&WT.mc_id=Blog_Intune_General_PCIT, Note: On Windows Server 2012, IIS supports Server Name Indication (SNI), which is a TLS extension to include a virtual domain as a part of SSL negotiation. Ensure that it’s only given Read permissions and click OK. Open Server Manager from the Start menu. Cause 2: The MSCEP-RA certificates are expired. Configuring and managing Network Device Enrollment Services (NDES) Configuring NDES follows the same overall process as configuring other role services in that it’s installed as a role service, a service account is specified, and then a CA for the service is specified. However, it should be noted that if this feature is enabled, clients (in this case the mobile device itself or the MDM (Mobile Device Management Tool) not ready for SNI will not be able to contact NDES. Make note of the certificate template name, you’ll need that later. You may have to change PowerShell ExecutionPolicy to Unrestricted to run the script. An AD user account is required for the NDES service to use. George J NDE 1/5/2013. on Microsoft TechNet. Step 33: Add the NDES service account and ensure that it just has Read permission. (If not created already, then kindly create a NDES service account for this purpose which makes the management more streamlined). Grant Read and Enroll permissions on Exchange Enrollment Agent (Offline Request) template to NDESAdmin. We are repeating them here in a summarized way in order to provide a complete guide of all steps required. The Network Device Enrollment Service (NDES) is one of the role services of the Active Directory Certificate Services (AD CS) role. Hit ok and close it; Install NDES Now we are done with the CA and certificate work, we can move on to the installation of NDES on the ndes host. Step 1: First give the NDES Server Read and Enroll permission to the CEP Encryption Certificate Template. Click Add. Write-Verbose-Message " - Successfully configured service principal name for NDES service account "} Write-Verbose-Message " - Successfully configured service principal names for NDES service account "} catch [System.Exception] {Write-Warning-Message " Failed to configure service princal names for NDES service account "; break} Find more details about SNI at. Fully managed intelligent database services. Find out more about the Microsoft MVP Award Program. The RA does not need to be a CA. Whenever this account is references in this blog, refer to the account that you’ve created. On the Credentials screen, ensure that the NDES Admin account (which was created as part of the prerequisites) is selected. The Network Device Enrollment Service performs the following functions: Generates and provides one-time enrollment passwords to administrators, Retrieves enrolled certificates from the CA and forwards them to the network device. Select Supply in the request. Open Windows PowerShell or a command prompt as an administrator. On the Specify the service account page, select Use the built-in application pool identity . To install the gMSA on ADCSWEB02 type: Install-ADServiceAccount NDESgMSA c. To verify if the gMSA has been configured properly, type: Test-ADServiceAccount NDESgMSA. It implements the Simple Certificate Enrollment Protocol (SCEP). 5. The Network Device Enrollment Service (NDES) allows software on routers and other network devices to obtain digital certificates without running any domain credentials. For some reason the account I was logged on with didnt have permissions to get details about the NDES service account used in IIS(?). On the RA Information page, all the required and optional fields for setting up the service as the RA are collected. By default the group Authenticated Users has this permission. In some strict controlled environment like the one I had to deploy NDES to, I needed to request and explain the reason for each ndes service account permissions requested. Next you will need to use the Certificate Templates snap-in to configure both Read and Enroll permissions for the NDES user on the IPsec (Offline Request) certificate template. Ensure that NDES service account is selected. The Network Device Enrollment Service uses two certificates and their keys to enable device enrollment. In Cryptography for NDES, set the key length to meet your company requirements. Cause 1: The NDES service account is locked or its password is expired. 3. However, the recommended configuration is to specify a user account, which requires additional configuration. Now for the SCEP pool in IIS to run, the NDES service must first start successfully. In the Computer Management console tree, under System Tools, expand Local User and Groups. Open an elevated command prompt. Otherwise, register and sign in. Click Next . Please refer to this whitepaper focusing on NDES security: http://www.microsoft.com/en-us/download/details.aspx?id=46406&WT.mc_id=Blog_Intune_General_PCIT. But oooops, it wasn’t so simple then…. Then configure the gMSA on the NDES host machine: a. … Connect and engage across your organization. In the console tree, expand the structure until you see the container where you want to create the user account. Must be a domain user account and have Read and Enroll permissions on the configured templates. However, if that is not the case, you should grant the NDES service account Request Certificates permission on the CA.

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