Rename PC - global controller

hi there,
need help please.
we have cloned server which act as Global controller. since we need to run those server together, we need to rename one of those.
the problem is, we can't just rename it like ordinary pc. we tried, but then the server can't be logged in.
how to rename this kind of server (PC)?
the server specification:
windows server 2008 enterprise SP2, 32 bit.
the server role is forest domain.
thanks in advance

Hello,
hopefully this doesn't mean Domain controller "we have cloned server which act as Global controller"???
A domain controller CAN NEVER be cloned and use just with renaming again!!!
Every machine in a Windows domain MUST have a unique SID, which requires that SYSPREP is used to clone/image machines for easier installation.
So if you have cloned a domain controller do NEVER start this one on the same network as the original installed machine and delete that server immediately.
YOU WILL RUN INTO MULTIPLE PROBLEMS working this way!!!
To have the recommended 2 DC/DNS/GC per domain install a second server, join it to the domain and then promote it to DC in an existing domain. Also make it DNS/GC during installation. Assure to use ONLY the existing DC/DNS server on the NIC as preferred
DNS server and NONE else. That can be changed later on after the new server has replicated from the existing DC.
Best regards
Meinolf Weber
MVP, MCP, MCTS
Microsoft MVP - Directory Services
My Blog: http://msmvps.com/blogs/mweber/
Disclaimer: This posting is provided AS IS with no warranties or guarantees and confers no rights.

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