A Domain Controller must have a unique name, invocation ID, and security identifier (SID) in the entire forest. Up to Windows Server 2008 R2 promoting "syspreped" standalone images multiple times, was the fastest you could go in order to deploy a large...

The USN rollback issue has been causing hundreds of support calls and AD replication halts throughout the world since the introduction of AD in Windows 2000 Server and up to Windows Server 2008 R2. Every DC maintains a table - ReplUpToDateVector -...

While there can be several reasons for AD replication to fail due to an "access denied" error (you may find more information in KB article 2002013 - Troubleshooting AD Replication error 5: Access is denied http://support.microsoft.com/kb/2002013/EN-US...