Trust - The operation failed The specified user already exists

Issue:

Domain trust creation process failed with the following error message:

The operation failed The specified user already exists

Resolution:

Verify the following components:

1. Proper name resolution between 2 domains

2. Required firewall ports are open between 2 domains - http://support.microsoft.com/kb/179442

3. Ihe Users container or the entire domain to see if it already contains an object with the same name (including $) as the domain with which you are creating a trust.

Technorati Tags: Windows,Active Directory

Posted in: Active Directory,Windows,Windows 2008 R2,Windows Server 2008 R2