You create a Microsoft Certificate Authority Template to contain the certificate authority (CA) attributes for signing certificates of VMware SDDC solutions.

About this task

Creating a certificate authority template for this VMware Validated Design includes the following operations:

  1. Set up a Microsoft Certificate Authority template. 

  2. Add the new template to the certificate templates of the Microsoft CA. 


This VMware Validated Design sets the CA up on the Active Directory (AD) dc01rpl.rainpole.local (root CA) server. The AD server is running the Microsoft Windows Server 2012 R2 operating system.

  • Verify that you installed Microsoft Server 2012 R2 VM with Active Directory Domain Services enabled.

  • Verify that the Certificate Authority Service role and the Certificate Authority Web Enrollment role is installed and configured on the Active Directory Server.

  • Use a hashing algorithm of SHA-2 or higher on the certificate authority.


  1. Log in to the rainpole.local AD server by using a Remote Desktop Protocol (RDP) client.
    1. Open an RDP connection to dc01rpl.rainpole.local.
    2. Use the following credentials.



      User name

      Active directory administrator



  2. Click Windows Start > Run, enter certtmpl.msc, and click OK
  3. In the Certificate Template Console, under Template Display Name, right-click Web Server and click Duplicate Template.
  4. In the Duplicate Template window, leave Windows Server 2003 Enterprise selected for backward compatibility and click OK
  5. In the Properties of New Template dialog box, click the General tab.
  6. In the Template display name text box, enter VMware as the name of the new template.
  7. Click the Extensions tab and specify extensions information:
    1. Select Application Policies and click Edit.
    2. Select Server Authentication, click Remove, and click OK.
    3. Select Key Usage and click Edit.
    4. Select the Signature is proof of origin (nonrepudiation) check box.
    5. Leave the default for all other options.
    6. Click OK.
  8. Click the Subject Name tab, ensure that the Supply in the request option is selected, and click OK to save the template.
  9. To add the new template to your CA, click Windows Start > Run, enter certsrv.msc, and click OK.
  10. In the Certification Authority window, expand the left pane if it is collapsed. 
  11. Right-click Certificate Templates and select New > Certificate Template to Issue.
  12. In the Name column of Enable Certificate Templates dialog box, select the VMware certificate that you have just created and click OK.