Unjoin domain


Robert L [MS-MVP]

quoted form http://www.ChicagoTech.net
Can't add/remove a computer to/from a domain

Symptom: 1. When trying to move the computer off of the domain and into a
workgroup the following error message is displayed, "The computer could not
be removed from the domain <domain name>. The revision level is unknown."
2. You may receive the same error when removing a client from the domain.

Causes: 1. You are logging on local user instead of a domain administrator.
2. The registry keeps some old or other domain information need to be

For more and other information, go to http://www.ChicagoTech.net

Don't send e-mail or reply to me except you need consulting services.
Posting on MS newsgroup will benefit all readers and you may get more help.

Robert Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN, Anti-Virus, Tips & Troubleshooting on
This posting is provided "AS IS" with no warranties.

Rob Bruce

Here is the real solution to this...
Swiped from http://www.jsiinc.com/SUBP/tip7700/rh7721.htm

After applying a Windows Update, you are unable to logon to your

If you try to join a workgroup, you receive:

The Revision Level is Unknown.

To workaround this behavior:

01. Log on locally with Administrator privileges.

02. Use the registry Editor to grant the your account Full Control of

registry key.

04. Shutdown and restart your computer.

05. Log on locally with Administrator privileges.

06. Join a WORKGROUP and restart your computer.

07. Log on locally with Administrator privileges.

08. Join your domain.

09. Shutdown and restart your computer.

10. Logon to your domain.

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