Technically, you could use any old Intune Administrator account, but service accounts help keep things organized and they’ll never leave you for another company a year from now taking their passwords with them. I do not provide technical support (unless you have a Microsoft Premier Support contract and I’m on the job!). NDES’y, Install and configure the Intune certificate connector, .NET Framework 3.5 (includes .NET 2.0 and 3.0), Ensure you’ve entered an account in the Enterprise Admins group on the Credentials page of the AD CS Configuration wizard and click. You should see the new certificate in the personal certificate store. Configuring the NDES Connector for Microsoft Intune can be painful on a vanilla Windows Server 2016. On the Service Account for NDES page, select the NDES Service on-premises service account you created. NDES Servers and add the member server that will have the NDES server role and Intune Certificate Connector installed to that group. Intune Connector: Its a connector (small installer) we install on the NDES server. NDES provides and manages certificates used to authenticate traffic and implement secure network communication with devices that might not otherwise possess valid domain credentials. Configuring the NDES Connector for Microsoft Intune can be painful on a vanilla Windows Server 2016. IIS was restarted after this. Write-Host " Verifies if the NDES server meets all the required configuration. " The connector UI should look something like this now (I didn’t need to enter any proxy info): Next, take another look in the Intune portal, you should see Afsar If you forget to check that box before you click Finish, you can open the UI from: C:\Program Files\MicrosoftIntune\NDESConnectorUI\NDESConnectorUI.exe. Go to: Regards. Add these two DWORD value registry keys, both with a decimal value of 65534: Now we just need to add two more registry values to avoid possible Schannel errors from showing up in your Windows Event Viewer and we’re done. NDES provides and manages certificates used to authenticate traffic and implement secure network communication with devices that might not otherwise possess valid domain credentials. The client device talks to the NDES server (where NDES is the service that implements the SCEP protocol), which also runs the Intune NDES connector, to process the certificate request. This post is about NDES and SCEP. Kindly advise. Create a v2 Certificate Template (with Windows 2003 compatibility) for use as the SCEP certificate template. Nickolaj Andersen says: 2019-07-04 at 09:46. If your organization uses a proxy server and the proxy is needed for the NDES server to access the Internet, select Use proxy server. Grant Issue and Manage Certificates permission: It's optional to modify the validity period of the certificate template. The connector must run on the same server as the NDES server role, a server that runs Windows Server 2012 R2 or later. For more information, see Create a domain user account to act as the NDES service account. Regarding the Subject Name, it must meet the client authentication certificate requirements. Head back to the Azure portal, but this time go to where application You don’t think that’s a good idea? net localgroup IIS_IUSRS \ /Add Open a browser and go back to where we last saw the NDES page at https:///certsrv/mscep/mscep.dll. The certificate must meet the following requirements: This certificate is used in IIS. When installing .NET Framework 3.5, install both the core .NET Framework 3.5 feature and HTTP Activation. 3. Installing the Intune Certificate Connector on an existing NDES server will cause any certificate enrollment requests not coming from Intune to fail. Installing ASP.NET 3.5 installs .NET Framework 3.5. Intune later and you forgot how to do this or can’t get access to the CA again. Random issues can also arise from time to time from using the same account in too many places or for too many uses so let’s avoid that. Other than the RA certs and the IIS SSL binding cert , you will now have another certificate in your NDES box local machine personal cert store issued by Microsoft Intune Certificate Connector CA . On the server that will host your NDES service, sign in as an Enterprise Administrator, and then use the Add Roles and Features Wizard to install NDES: In the Wizard, select Active Directory Certificate Services to gain access to the AD CS Role Services. What would the correct CA Template be for NDES - incuding model and cryptography? Does Intune connector installed on NDES server need any direct connectivity? Other than the RA certs and the IIS SSL binding cert, you will now have another certificate in your NDES box local machine personal cert store issued by Microsoft Intune Certificate Connector CA. A SCEP profile is setup with the correct parameters and is tied to a Trusted Root profile correctly. The following sections require knowledge of Windows Server 2012 R2 or later, and of Active Directory Certificate Services (AD CS). Wanting on the logs, I see a possible problem with the certificates on the server. I’d guess it’s unsupported, so setup a new NDES server. Notice that these updates change the URIs from .com to .us suffixes. For now, I’ll just assume you know why you need certs. It's a simple Web server certificate that allows the client to trust NDES URL. Microsoft Network Device Enrollment Service (NDES) is a security feature in Windows Server 2008 R2 and later Windows Server operating versions. After you sign in, the Microsoft Intune Connector downloads a certificate from Intune. This error commonly occurs when the application pool is stopped due to a missing permission for the NDES service account. You’ll need to set up NDES to assign and manage SCEP certificates to support certificate-based authentication. We have run the Microsoft NDES troubleshooting script (very useful - fixed a few issues) and double checked everything is setup correctly. The NDES server actually does not gets enrolled in Intune as Intune doesn’t support Server OS. proxy lives. Fill out the Basic Settings section according After a successful validation by the certificate registration point (the policy module), NDES passes the certificate request to the CA on behalf of the device. If you still want to learn more about how to issue SCEP certificates with Intune, check out the docs: Configure infrastructure to support … The WAP server must have an SSL certificate that matches the name that's published to external clients and trust the SSL certificate that's used on the computer that hosts the NDES service. To install the Certificate Connector. intunendes-tenantname.msappproxy.net) This is only required when deploying certificates for Android mobile devices; DNS – Internal FQDN of NDES server (e.g. These changes allow using Intune to set the validity period for these IIS role services: Click through and kick off the because it’s a feature of Azure Active Directory and not a standalone service. That looks bad. After the download completes, go to the server hosting the Network Device Enrollment Service (NDES) role. It isn't supported to use NDES or the Microsoft Intune Connector on the same server as your issuing Certification Authority (CA). Skip ahead to the General tab and give the certificate a friendly name, e.g. 12. I’ve turned off commenting on these blog posts so if you have feedback, good or bad, please let me know via Twitter @JeffGilb. Now we need to bind a certificate to IIS so the NDES Server won’t A Standalone CA is not supported. Using certificate-based authentication means your users won’t need to enter their user name and password to get authenticated to on-premises resources. Otherwise, open Server Manager to access the post-deployment configuration for Active Directory Certificate Services. Troubleshoot issues for the Microsoft Intune Connector, authenticate connections to your apps and corporate resources, create and deploy SCEP certificate profiles, Public Key Cryptography Standards #12 certificates, Network Device Enrollment Service Guidance, Using a Policy Module with the Network Device Enrollment Service, must be disabled on the server that hosts NDES, Integrate with Azure AD Application Proxy on a Network Device Enrollment Service (NDES) server, Create a domain user account to act as the NDES service account, Azure AD application proxy, Web Access Proxy, Install and bind certificates on the server that hosts NDES, Troubleshoot issues for the Microsoft Intune Connector. Once you’re in the Certificate Templates Console, right-click the Computer (or User) certificate template and select Duplicate Template. Create a new file named EEARequest.inf in e.g. Intune does not support using NDES when it is running on your CA server, that’s something to keep in mind. A Windows Server with the Network Device Enrollment Service (NDES) role can be provisioned on-premises to support certificate deployment for non-domain Windows 10 Always On VPN clients. Go While use of NDES that's installed on an Enterprise CA is supported, this configuration represents a security risk when the CA services internet requests. I mean through firewall. Don't use iisreset; iireset doesn't complete the required changes. Accept the end-user agreement. This account requires Read and Enroll permissions to this template. In Installation progress, don't select Close. is not selected. The Intune NDES Connector makes it possible to deploy SCEP certificate profiles to the Intune Managed Devices so you can select SCEP profile in the Intune UI as well. 11. Set the required permissions for certificate revocation. Communications between managed devices and IIS on the NDES server use HTTPS, which requires use of a certificate. On the Microsoft Intune Connector, you can either use the NDES server system account or a specific account such as the NDES service account. (now listed in the console), and you’re done. You can use the Web Server certificate template to issue this certificate. After that, ensure the new certificate is configured thusly, To do this, you can use either an Azure AD Application Proxy or a Web ApplicationProxy Server. In IIS manager, select Default Web Site > Request Filtering > Edit Feature Setting to open the Edit Request Filtering Settings page. Save it to a location accessible from the server where you're going to install the connector. The NDES connector and server are running as expected and the SCEP URL works as expected on the NDES server. Apply your changes. prereq phase to the NDES server’s IIS_IUSRS group that is created when IIS is Select Next, and then Install. The installer also installs the policy module for NDES and the IIS Certificate Registration Point (CRP) Web Service. For example, the computer that hosts the NDES service needs to communicate with the CA, DNS servers, domain controllers, and possibly other services or servers within your environment, like Configuration Manager. Either way, once you get NDESConnectorSetup.exe on your NDES server, run it. Web Server > Application Development > ASP.NET 4.5. good news is that it will tell you if you’ve forgotten to configure some of the install: Uncheck Certification Authority and instead select only Network Device Enrollment Service. If the server that hosts the connector supports TLS 1.2, then TLS 1.2 is used. The following procedures can help you configure the Network Device Enrollment Service (NDES) for use with Intune. >MSI (s) (64:40) … to read. Right-click Certificate Templates and select Manage. Select Tenant administration > Connectors and tokens > Certificate connectors > Add. Add additional Accounts for Intune administrators who will create SCEP profiles. to your settings and then set Pre Add these two DWORD value registry keys along with their For example, if the computer that hosts the NDES service is named Server01, your domain is Contoso.com, and the service account is NDESService, use: setspn –s http/Server01.contoso.com contoso\NDESService. On the Server roles page, select Active Directory Certificate Services (NDES is a part of AD CS) and The problem occurs when the Service Connection Point is installed on a computer that is running Windows Server 2012 or Windows Server 2012 R2. This whitepaper describes best practices for securing and hardening NDES to enable the deployment of certificates with Microsoft Intune and System Center Configuration Manager. Since you’re already logged on to Certification Authority – Use a Microsoft Active Directory Certificate Services Enterprise Certification Authority (CA) that runs on an Enterprise edition of Windows Server 2008 R2 with service pack 1, or later. A typical setup would look like this: Make note of the certificate template name, you’ll need that later. Regards, All things cloudy with some smoked BBQ on the side. Because the client devices could be on the internet, the NDES endpoint needs to be published to the internet. Go back to the Subject tab and select Common name in the Subject name drop down menu. Enrollment agent rights for the NDES template are restricted to the NDES Service Account. OK, now let’s make those changes at: HKLM\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL. In addition, the Microsoft Intune Connector must be installed and configured on the NDES server to allow Intune-managed clients to request and receive … Reply. your certificates to be longer than the defaults. Browse to http://Server_FQDN/certsrv/mscep/mscep.dll. Your configuration might vary. It is also applicable to environments using NDES to support the deployment and use of Microsoft Intune and System Center Configuration Manager. >MSI (s) (64:40) … Configure the appropriate Wi-Fi settings so the certificate will automatically connect to the right server. Intune also supports use of Public Key Cryptography Standards #12 certificates. Installing the Intune Certificate Connector on an existing NDES server will cause any certificate enrollment requests not coming from Intune to fail. After you create the SCEP certificate template, you can edit the template to review the Validity period on the General tab. HKLM\SOFTWARE\Microsoft\Cryptography\MSCEP. Only add the application policies that you require. These certificates enable the WAP server to terminate the SSL connection from clients and create a new SSL connection to the NDES service. Just accept the defaults on the RA Information page, Just accept the defaults on the Cryptography for NDES page (2048 key lengths), Review the settings on the Configuration page and click, SendTrustedIssuerList (with decimal value 0), ClientAuthTrustMode (with decimal value 2). Select these features/sub-features to Select to add To validate that the service is running, open a browser, and enter the following URL. We published 3 different Certificate Templates in the CA with relevant ‘Purpose’ The respective registry was populated accordingly in the NDES server. Once we finish Step 5 from the documentation above, we need to create the Trusted Certificate Profile so that we can reference it in the Create a SCEP certificate profile section of the documentation. From the return output of the above PowerShell command, copy the value for the Subject property, e.g. The CRP Web Service, CertificateRegistrationSvc, runs as an application in IIS. System Requirements 12. When installing .NET Framework 4.5, install the core .NET Framework 4.5 feature, ASP.NET 4.5, and the WCF Services > HTTP Activation feature. To support certificate deployment for non-domain Windows 10 Always On VPN clients, a Windows Server with the Network Device Enrollment Service (NDES) role can be provisioned on-premises. the CA anyway, you might as well run these next commands from an administrative If you close the wizard before you launch the Certificate Connector UI, you can reopen it by running the following command: \NDESConnectorUI\NDESConnectorUI.exe. Expand the server and then select Application Pools. If challenge is OK then the NDES server communicates with the CA to get a certificate for the device. leaving everything else to their default values: Save the template and then close out of certificate manager back to the main Certification Authority console. After the wizard completes, update the following registry key on the computer that hosts the NDES service: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MSCEP\. Sign into the member server with enterprise admin privileges to complete the steps in this section. This post should help you get the basic NDES infrastructure up and running to successfully deploy SCEP certificates for Intune managed devices. These certificates are Client authentication certificate and Server authentication certificate as mentioned in Certificates and templates section. When you install NDES for standalone Intune, the CRP service automatically installs with the Certificate Connector. NDES is limited in configuration to proxy certificate requests to a single intermediate certificate authority. Back? to read. This problem affects customers who have a hybrid mobile device management environment through Microsoft Intune. The following image is an example. So now unfortunately is the end of the road for this blog post as (believe it or not) I’m trying to keep it as short as possible. The easiest way to make one is to duplicate an existing certificate template. ADCS creates the certificate and sends it back to the NDES server. In the following procedure, you can use a single certificate for both server authentication and client authentication when that certificate is configured to meet the criteria of both uses. NDES SSL Certificate. Request a server authentication certificate from your internal CA or public CA, and then install the certificate on the server. A few suggestions based on my experiences setting this up: Read through other blogs that walk through the setup. Enter one or more common names used in the certificates issued by your trusted certificate authority (CA). 13. The server running NDES needs to have been given Read and Enroll permissions on the CEP Encryption certificate template, or added to a group that has been given those same permissions; The CEP Encryption certificate template needs to enabled (issued for usage for certificate enrollment) Have the NDES service account name at your disposal We have followed Microsoft and third party documentation on how to set up the NDES server and the Intune connector to issue SCEP certificates. Other part of troubleshooting is done from CA, NDES, NDES Intune connector, Azure App Proxy connector etc… After installing the NDES connector successfully you need to establish the connection with your Microsoft Intune tenant. IntuneNDES in my example: While you’re editing the registry, might as well let the NDES server know it’s OK to accept crazy long url certificate requests because that’s a thing it needs to do. CN=SCConfigMgr NDES Intune and so on. Click Sign in to add your cloud-based service account (created in prereqs) and you should be rewarded with a little Successfully enrolled pop-up window. For SSL certificate, specify the server authentication certificate. A Windows Server with the Network Device Enrollment Service (NDES) role can be provisioned on-premises to support certificate deployment for non-domain Windows 10 Always On VPN clients. Where you’ll enter your on-premises NDES service account information and click Apply. The connector isn't required when using 3rd party Certification Authorities. When NDES is added to the server, the wizard also installs IIS. Thanks Swaran. click Next to select features. Having an Intune subscription and devices to test with later goes without saying…but I just said it so I guess not. Intune supports use of the Simple Certificate Enrollment Protocol (SCEP) to authenticate connections to your apps and corporate resources. Right-click the Intune Connector Service > Restart. Your local computer store on the NDES Server has a valid CEPEncryption and Enrollment Agent (Offline Request) certificate, and these are accessible (including the private keys) to the NDES Service Account. And that’s good. Thank you! Good enough for me. FIPS isn't required, but when it's enabled, you can issue and revoke certificates. The version of Windows Server you use must remain in support by Microsoft. This article will guide you through installing this connector. If i configure the connection through proxy, is that suffice? Select CRLs (from CDP) and click on Retrieve. In addition, the Microsoft Intune Connector must be installed and configured on the NDES server to allow Intune-managed clients to request and receive certificates from the … NDES with Intune meant that you had the ability to leverage SCEP via NDES to have Intune enrolled devices automatically request and receive certificates from your internal CA for use with such awesome things like WiFi profiles for 802.1 Can I install the connector on that same server or will this break the other MDM’s service as the NDES server will always try to connect Intune for the validation of a request? Give it a cool name like IntuneNDES on the General tab and ensure Publish certificate in Active Directory Select Add, set Type to https, and then confirm the port is 443. For running this script, permissions to set service principal names are required including local administrator privileges on … Open Internet Information Services (IIS) Manager (inetmgr.exe) on the NDES Server. Access to the certification authority - You'll need a domain user account that has rights to manage your certification authority. You should see an NDES page similar to the following image: If the web address returns a 503 Service unavailable, check the computers event viewer. Right click Certificates from the computer’s personal certificate store and select All Tasks > Request New Certificate. To increase the scale of the NDES implementation in your organization, you can install multiple NDES servers with a Microsoft Intune Certificate Connector on each NDES server. What would the correct CA Template be for NDES - incuding model and cryptography? Requested from your issuing CA or public CA. Or you could just open and administrative command prompt and do it from there. There shouldn’t be much there besides an empty Default key. For more information, see Integrate with Azure AD Application Proxy on a Network Device Enrollment Service (NDES) server. certutil -setreg Policy\EditFlags +EDITF_ATTRIBUTEENDDATE To allow devices on the internet to get certificates, you must publish your NDES URL external to your corporate network. Security is enforced by the Intune policy module for NDES. I’ll wait. Authority console. I am working model 4, utilizing KSP RSA 2048, SHA256 and Microsoft Software program KSP chosen. The information in this article can help you configure your infrastructure to support SCEP when using Active Directory Certificate Services. Part 2 – Deploy certificates to mobile devices using Microsoft Intune NDES – Connector In part 1 of this blog series I provided some background and highlevel overview how the proces of deploying certificate profiles to devices works with Microsoft Intune. NDES Server group. Use the registry editor on the NDES server to specify a default template that the registration authority (NDES service) uses to request certificates for mobile devices. While you’re messing with this account, now is also a good time to set the SPN for it in AD too: Close out of the Certificate While trying to sign in you end up in an endless loop, every time you end up with a new login. If the server doesn't support TLS 1.2, then TLS 1.1 is used. In order for an internet-facing device to send the SCEP request to NDES, the request must go via a proxy. Select the Certificate Templates node, click Action > Manage. Modify those keys to instead use the name of the certificate you created earlier. … If you’re up for more fun you can go do all of this over again to add more NDES/Intune connector servers for redundancy. You will see the URL Retrieval Tool GUI window like this. Ensure that Description of Application Policies includes Client Authentication. Obviously, you need NDES to be set up correctly to actually issue anything so it makes total sense to start there. the Azure Active Directory blade’s App Proxy section first. Standalone Intune + SCEP (PKI, NDES) is definitely possible, running it on several tenants. Here’s how we were doing this in the past with a single NDES server: We recommend you don’t use NDES that's installed on the server that hosts the Enterprise CA. Demystifying Intune SCEP HTTP Errors. Select Network Device Enrollment Service, uncheck Certification Authority, and then complete the wizard. On the server, add the NDES service account as a member of the local IIS_IUSR group. Either Run 'certsrv.msc' or in Server Manager, click Tools, and then click Certification Authority. The enrollment here points to a certificate. Select OK to save this configuration and close IIS manager. Select Sign In, and enter your Intune service administrator credentials, or credentials for a tenant administrator with the global administration permission. If you saw my earlier blog on NDES for Intune, you might have noticed that I didn’t say much, if anything, about troubleshooting the process after it is set up.So, if things don’t seem to be working, what do you do? You'll install the Microsoft Intune Connector on the same server that hosts NDES. After you select the client authentication certificate, you're returned to the **Client Certificate for Microsoft Intune Connector ** surface. For more information, see Plan certificates for WAP and general information about WAP servers. There’s a lot more that we can talk about with NDES and tracking the certificate request and delivery processes in more detail, but that’s out of scope for this post. If your CA runs Windows Server 2008 R2 SP1, you must install the hotfix from KB2483564. We recommend publishing the NDES service through a reverse proxy, such as the Azure AD application proxy, Web Access Proxy, or a third-party proxy. Bind the server authentication certificate in IIS: After installing the server authentication certificate, open IIS Manager, and select the Default Web Site. In the Value field, type in the external FQDN of the NDES server. The Microsoft support team has published a great guide on how to configure Network Device Enrollment Services (NDES) correctly to assign Simple Certificate Enrollment Protocol (SCEP) certificate profiles to Intune client devices. The domain member server you will install NDES on is probably the same server you previously installed Azure Application proxy on and that’s OK. You’ll need to log into the server with an account in the Enterprise Admins group. server roles or features and let you try again. SCEP certificate profiles directly reference the trusted certificate profile that you use to provision devices with a Trusted Root CA certificate. This allows both intranet and internet facing devices to get certificates. You’ll need to run this command from an administrative command prompt, not PowerShell: certutil -ca.cert . Confirm that IIS has the following configurations: Web Server > Security > Request Filtering, Web Server > Application Development > ASP.NET 3.5. To configure this you need to follow this guide Configure and use SCEP certificates with Intune which is fairly long and even takes about 30 min. Still feels weird telling people to edit their registry after all these years. For iOS/iPadOS and macOS certificate templates, also edit Key Usage and make sure Signature is proof of origin isn't selected. Click Add User or Group…, enter IIS_IURS in the Enter the object names to select box, and then click OK. command prompt. NDES service account - Before you set up NDES, identify a domain user account to use as the NDES service account. It is also applicable to environments using NDES to support the deployment and use of Microsoft Intune and System Center Configuration Manager.

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