We migrated a while ago from SBS 2008 to Windows Server 2012 R2. The new Server is also the Certificationauthority. But when I want to renew a certificate, a get the error messsage "Error: RPC Server is not available".

Since the URL shown in the error message points to "oldserver.domain.local" and not to "newserver.domain.local", this makes sense.

How can I change the address to the new server?

up vote 3 down vote accepted

The problem is that you didn't decommission old server and its reference is still exists in Active Directory. You need to remove stale records. Here is a CA decommission guide: How to Decommission a Windows Enterprise Certification Authority and How to Remove All Related Objects

I suspect that you already removed CA server itself, so you need to perform sections 6 and 7 in referenced article.

  • It solved this problem. However, now the ca templates on the new server can not be loaded... – Mister 832 Nov 17 at 15:52
  • I hope you didn't remove certificate templates from Active Directory? Check if they are listed in certtmpl.msc MMC snap-in. – Crypt32 Nov 17 at 15:53
  • No, they are there. It shows 34 Templates – Mister 832 Nov 17 at 15:57
  • I openend a new question, see serverfault.com/questions/940508/… . I would be gratefull for your advice. – Mister 832 Nov 17 at 16:01

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