In all the managed Microsoft CA templates for issuing entity certificates, make sure that the Subject Name is supplied by the certificate request.

To enable supply in the request in a template

1. Log into the Microsoft CA server machine.
2. Press Win + R to open the Run dialog.
3. Type "mmc” and press Enter to open Microsoft Management Console.
4. Go to Certificate Authority.
5. Right-click Certificate Templates and select Manage.
6. Right-click the template and select Properties.
7. In the Subject Name tab, enable the Supply in the request radio button.