Applies to

  • Windows Server 2003,
  • Windows Server 2008,
  • Windows Server 2008 R2, and
  • Windows Server 2012

Certification Authority Naming Rules

  • The certification authority (CA) name should never be the same as the server's computer name (NetBIOS or DNS / hostname).
  • If you use non-Latin characters (such as Cyrillic, Arabic, or Chinese characters), your CA name must contain fewer than 64 characters. If you use only non-Latin characters, your CA name can be no more than 37 characters in length.
  • You can include dashes (-) in the CA name. As a matter of fact, the default name selected has dashes in it.
  • In Windows Server 2012, spaces in the CA name may cause some issues with the following: