When you open the certificate, the ‘General’ tab will also contain the purpose of this certificate to be ‘Server Authentication’ as seen below:Īnother way to validate this, would be to go to the ‘Details’ section of the certificate and look at the ‘Enhanced Key Usage’ property: This will be visible when viewing the certificate in the ‘Certificates’ MMC snap-in, as below: Select Client-Server Authentication and then click OK. In the certsrv snap-in, right-click Certificate Templates and select New then Certificate Template to Issue. For Domain Computers, click the checkbox to ‘Allow Autoenroll’. Click OK until you return to the Properties of New Template dialog.Ĭlick the Security tab. Click Add then select Server Authentication. On the Extensions tab, click Application Policies then Edit. On the General tab, change the Template display name to Client-Server Authentication and check Publish certificate in Active Directory. Right-click Workstation Authentication and click Duplicate Template. Right-click Certificate Templates and select Manage. In the details pane, expand the instructor computer name. Open CERTSRV.MSC and configure certificates. This certificate can be generated using the ‘Workstation Authentication’ template (if required). Certificates with no "Enhanced Key Usage" extension can be used as well.Īs the function it performs suggests, we need a ‘Server Authentication’ certificate. The "Enhanced Key Usage" extension has a value of either "Server Authentication" or "Remote Desktop Authentication" (1.3.6.1.4.1.311.54.1.2). The certificate has a corresponding private key. The certificate is installed into computer’s “Personal” certificate store. The following blog contains information regarding the type of certificates and how you can create them using the Internal CA of the domain.īasic requirements for Remote Desktop certificates: What type of certificate is required for RDS? So, as long as the client trusts the server it is communicating with, the data being sent to and from the server is considered secure. When a communication channel is setup between the client and the server, the authority that issues/generates the certificate is vouching for the server to be authentic. This is done to prevent possible man-in-the-middle attacks. When a client connects to a server, the identity of the server that is receiving the connection and in turn, information from the client, is validated using certificates. Good morning AskPerf! Kiran here with a question for you: Why do we need certificates? Well, certificates are used to sign the communication between two machines.
First published on TECHNET on Jan 24, 2014
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