2008 duplicate hist name added to server - now cannot log onto (!)

Hi all,

My colleague just managed to build a new server and join it to the domain as the same host name. This has just knocked the existing server off the domain and I cannot log on to the server as the local administrator either.

2008 server

Any ideas?
MJB2011Asked:
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m3mph1s1Connect With a Mentor Commented:
okay then you should just be able to unjoin each from domain, remove from AD and the rejoin each to domain.  Keep static IP directly coorelated with the correct server
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m3mph1s1Commented:
Are they DCs?  Remove one of them from the network via cable first.  Hope it wasn't a DC and delete the second entry from AD servers group.  If it was a DC you could be subjected to repeated DNS, authentication issues, GPOs updating and more.
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MJB2011Author Commented:
No just a member server
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MJB2011Author Commented:
Why would the domain allow someone to hound a host that already exists? Surely that's asking for trouble?
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MJB2011Author Commented:
Join*
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m3mph1s1Commented:
they always have, just like that have always let you introduce duplicate IPs to the environment.  They figure that you know what you are doing being the end all.
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