Then, enter a Name. Following are the high-level tasks list for deploying SCEP Profile to iOS Devices:-Create and Deploy iOS Root CA certificate using Intune Azure Portal Resolution: Update the reference with the thumbprint of a valid certificate. See The HTTP status code in IIS 7 and later versions for information about less common error codes. This article references Step 2 of the SCEP communication flow overview. Hi, Have you got this issue resolved now? lacranda. After you renew an expired certificate, new certificates can't be assigned to the devices. Welcome to today’s article Intune SCEP Deep Dive.This is the 3rd article of the series Intune PKI Made Easy With Joy.. After you renew an expired certificate, new certificates can't be assigned to the devices. Use the following information to determine if a device that received and processed an Intune Simple Certificate Enrollment Protocol (SCEP) certificate profile can successfully contact Network Device Enrollment Service (NDES) to present a challenge. Look for Event 36, which resembles the following example, with the key line of SCEP: Certificate request generated successfully: The following sections can help with common connection issues from all device platforms to NDES. These certificates will expire on April 21, 2018. On the NDES server, open IIS manager, select Default Web Site > Request Filtering > Edit Feature Setting to open the Edit Request Filtering Settings page. 2019-03-13. Configure the SCEP Certificate. Make sure that the logged in user and the NDES server have Read and Enroll permissions to the CEP Encryption and Exchange Enrollment Agent (Offline request) certificate templates. ems. If so, exclude the NDES server from the Group Policy and remove the intermediate certificates again. Select macOS as Platform. Continue to read this blog post, if this is the first time you’ve ever heard of the NDES service certificates. There are two certificate connectors for Intune. Each has its own uses and requirements. Click Enroll, wait until the enrollment finishes successfully, and then click Finish. Expand Personal, right-click Certificates, then select All Tasks > Request New Certificate. Search the log for entries similar to the following examples. Original KB number:   4045957. Cause: IIS request filtering isn't configured to support the long URLs (queries) that the NDES service receives. Please remember to mark the replies as answers if they help. On the NDES server, open IIS Manager and go to Application Pools. I have a YouTube channel ‘EverythingAboutIntune’ and you can subscribe to the same to learn more about Microsoft Intune. In the following example, Installation completed successfully and Installation success or error status: 0 indicate a successful installation: If the installation fails, remove the Microsoft Intune Connector and then reinstall it. 2- The Name of the template in the relevant registry of the NDES server . To request new certificates, follow these steps: On the Certificate Authority (CA) or issuing CA, open the Certificate Templates MMC. There may be a scenario where you require to use different templates to deploy different SCEP certificates to your Intune managed endpoints. This article series describes the different parts necessary to create an Always On VPN User tunnel based on Enterprise PKI certificates distributed through Intune with a SCEP Certificate Profile. To contact the NDES server, the device uses the URI from the SCEP certificate profile. SCEP certificate deployment for Intune managed Android for Work devices is a bit tricky. After removing certificates and restarting the server, run the PowerShell cmdlet again to confirm there are no intermediate certificates. brenduns. The URL should resemble https://contoso.com/certsrv/mscep/mscep.dll. Select OK to save this configuration and close IIS manager. Verify NDES configuration on-premises for SCEP certificates in Intune; Configure infrastructure to support SCEP with Intune; Before proceeding, ensure you've meet the prerequisites for using SCEP certificate profiles, including the deployment of a root certificate through a trusted certificate profile. Resolution: Enable Anonymous Authentication and disable Windows Authentication, and then restart the NDES server. Look for an event that is similar to the following example, which means that the application pool crashes when a request is received: Common causes for an application pool crash: Cause 1: There are intermediate CA certificates (not self-signed) in the NDES server's Trusted Root Certification Authorities certificate store. If the connection request isn't logged at all, the contact from the device might be blocked on the network between the device and the NDES server. The values in all the above 3 locations need to be corresponding for a successful certificate delivery. On the Request Certificate page, select CEP Encryption, then click More information is required to enroll for this certificate. In the Certificate Enrollment dialog box, click Next, and then click More information is required to enroll for this certificate. The URL should resemble https://contoso.com/certsrv/mscep/mscep.dll. Mscep.dll is an ISAPI extension that intercepts incoming request and displays the HTTP 403 error if it's installed correctly. Look for entries that resemble the following, which are logged when the device connects to NDES: Key entries include the following sample text strings: The connection is also logged by IIS in the %SystemDrive%\inetpub\logs\LogFiles\W3SVC1\ folder of the NDES server. Expand Local Policies, and then click User Rights Assignment. Connections are logged as an event ID 36 in the devices DeviceManagement-Enterprise-Diagnostics-Provide > Admin log. In Certificate Properties, click the Subject tab, fill the Subject name with the information that you collected during step 2, click Add. But, because of “Android for Work” containerisation, it’s bit a tricky to confirm whether the SCEP certificate is successfully delivered to the device or not. Cause: The Microsoft Azure AD Application Proxy Connector service isn't started. Export the Exchange Enrollment Agent (Offline request) certificate from the current user certificate store. In an Intune / SCCM hybrid configuration with certificate deployment based on Network Device Enrollment Service (NDES) there are some issues. When the device contacts IIS, an HTTP GET request for mscep.dll is logged. ), Restart the NDES IIS App Pools or execute. We need to: Create an Active Directory service account that the NDES service will run as; Create an Active Directory group named e.g. At an elevated command prompt, run the following command. Use the following steps to test the URL that is specified in the SCEP certificate profile. The specific criteria can be on the Certificate Template or in the SCEP profile. To do this, follow these steps on the NDES server: Use certlm.msc to open the local computer certificate store, expand Personal, and then click Certificates. 7 min read . It’s been a while since this series started, but let’s continue. Troubleshoot device to NDES server communication for SCEP certificate profiles in Microsoft Intune. Unique SCEP certificate to be deployed for the different profiles – Email, VPN, and Wi-Fi. This will cause the Wi-Fi profile to be skipped because it doesn’t have the correct certificate. If a matching certificate isn't found, the certificates on the device will be excluded. Because the Subject Type of this certificate template is set to User. SCEP communication flow overview . On the Request Certificate page, select Exchange Enrollment Agent (Offline request), then click More information is required to enroll for this certificate. Next, to finally deploy the device certificates you have to create a SCEP certificate profile in Intune: Navigate to Microsoft Intune. Open a web browser, and then browse to that SCEP server URL. When your infrastructure supports SCEP, you can use Intune SCEP certificate profiles (a type of device profile in Intune) to deploy the certificates to your devices. See Status code 500, later in this article. The service is unavailable", I receive "HTTP 414 Request-URI Too Long", Intune Certificate Connectors policy module, Received '200 OK' when sending GetCACaps(ca) to, Signing pkiMessage using key belonging to [dn=CN=; serial=1], Attempting to retrieve issued certificate. The HTTP status code in IIS 7 and later versions, I receive a general Network Device Enrollment Service message, I receive "HTTP Error 503. On the device, a private key is generated and the Certificate Signing Request (CSR) and challenge are passed from the device to the NDES server. When you open the NDESPlugin.log file, the log stops at Sending request to certificate registration point. microsoft-intune. SCEPMan Abstract. 3- The ‘Purpose’ of the certificate template as viewed in the CA. The information in this article can help you validate operation of the Network Device Enrollment Service (NDES) policy module that installs with the Microsoft Intune Certificate Connector. Choose Profile and click Create profile. This support is configured when you configure the NDES service for use with your infrastructure for SCEP. configuration. Cause 2: The URLs in the Certificate Revocation List (CRL) are blocked or unreachable for the certificates that are used by the Intune Certificate Connector. Troubleshoot the NDES policy module in Microsoft Intune. Nickolaj Andersen. Original product version:   Microsoft Intune Wi-Fi. Click here to configure settings. A little background from the product description: Microsoft Intune allows third-party certificate authorities (CA) to issue and validate certificates using the Simple Certificate Enrollment Protocol (). SCEP certificate deployed to group A to use template A and that for group B to use template B. This result indicates the URL is functioning correctly. What you do with that infrastructure is up to you. Select the Private Key tab, select Make private key exportable, then click OK. If the device successfully reaches the NDES server to present the certificate request, the next step is to review the Intune Certificate Connectors policy module. Select a different certificate with similar properties (subject, EKU, key type and length, etc. 01/30/2020. SCEPman is a fully unattended Certificate Authority using Azure Key Vault for Microsoft Intune based certificate deployment. Click here to configure settings. Review the devices OMADM log. In this post, we shall get an overview of certificate deployment via Intune and discuss the similarities and differences between SCEP ans PKCS. This article references Step 1 of the SCEP communication flow overview. For example, you may have a requirement where. It seems as though there is an issue with the intune SCEP profile for iOS. In this post, we shall get a complete overview on how to setup NDES and SCEP for certificate deployment via Intune. Expand Applications and Services Logs > Microsoft > Windows > DeviceManagement-Enterprise-Diagnostic-Provider > Admin. Resolution: Remove intermediate certificates from the Trusted Root Certification Authorities certificate store, and then restart the NDES server. You’ll want to know what they are and why you need to pay attention to them. Android. PFX Certificate Connector for Microsoft Intune. The PFX Certificate Connector supports certificate deployment for PCKS #12 certificate requests and handles requests for PFX files imported to Intune for S/MIME email encryption for a specific user. MET150. When you browse to the SCEP server URL, you receive the following error: This issue is usually because the SCEP application pool in IIS isn't started. My name Saurabh Sarkar and I am an Intune engineer in Microsoft. This mostly occurs if the AAD App Proxy connector is not in Running state or the Server which hosts the connector has gone offline. In Microsoft Intune, you can add third-party certificate authorities (CA), and have these CAs issue and validate certificates using the Simple Certificate Enrollment Protocol (SCEP). Reopen the text file, copy the thumbprint, and then paste it to the value of the following registry subkey: Don't copy any additional characters, such as the question mark at the beginning of the file. Cause 4: The NDESPolicy module certificate has expired. However my windows devices are working fine and received all 3 profile certificates ( Root,Intermediate and SCEP). To identify all intermediate certificates in the Trusted Root Certification Authorities certificate store, run the following PowerShell cmdlet: Get-Childitem -Path cert:\LocalMachine\root -Recurse | Where-Object {$_.Issuer -ne $_.Subject}. conceptual . The following is an example: Review the devices debug log. Certificates that Intune issues to establish trust with MDM managed devices and connectors, are renewed automatically every year upon connection to the Intune service. Use the following information to determine if a device that received and processed an Intune Simple Certificate Enrollment Protocol (SCEP) certificate profile can successfully contact Network Device Enrollment Service (NDES) to present a challenge. After CAPI2 logging is enabled, reproduce the problem, and examine the event log to troubleshoot the issue. Status code of 500: The IIS_IURS group might lack correct permissions. If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com. Check the expired certificates on the NDES server, copy the Subject information from the certificate. The Microsoft Intune Connector is required to use SCEP certificate profiles with Intune when using an Active Directory Certificate Services Certification Authority. If the SCEP application pool isn't started, check the application event log on the server: On the device, run eventvwr.msc to open Event Viewer and go to Windows Logs > Application. There are 3 certificate profiles available in Intune, and those are TRUSTED Certificate, SCEP Certificate, and PKCS certificate. You use Microsoft Intune to assign Simple Certificate Enrollment Protocol (SCEP) certificates to devices that you manage. In the Certificate Export Wizard, select Yes, export the private key. Click Settings. 3 comments. Resolution: If the MSCEP-RA certificates are expired, reinstall the NDES role or request new CEP Encryption and Exchange Enrollment Agent (Offline request) certificates. Review the status code near the end of this request: Status code of 200: This status indicates the connection with the NDES server is successful. Troubleshoot device to NDES server communication for SCEP certificate profiles in Microsoft Intune. Otherwise, it's an intermediate certificate. Validate this configuration by locating the following registry key to confirm that it has the indicated values: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTTP\Parameters. Open a web browser, and then browse to that SCEP server URL. The following values are set as DWORD entries: You have Azure AD Application Proxy configured. We've sent out a message center post asking you to take a one time action related to the certificate renewal to get these certificates renewed before April 21. That certificate was selected when the NDES policy module or Intune Certificate Connector was first installed. SCEPman is an Azure App Service providing the SCEP and Intune API, using Azure Key … Troubleshoot the Microsoft Intune Certificate Connector policy module | Microsoft Docs. On the NDES server, open the most recent IIS log file found in the following folder: %SystemDrive%\inetpub\logs\logfiles\w3svc1. Click OK to close the Certificate dialog box, right-click the certificate, and then select All Tasks > Request Certificate with New Key.
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