Computer naming

At my company, after we join a new computer to the net work, we rename it based on a naming convention.

CC-CEN-WS15 or CC-CEN-WS16

Now that we've been open a while, I'd like to fill in the holes, ( we only have 80 PC's, and we have computer names like CC-CEN-WS105 )

But when I try to rename a computer with a number that I know is not in use, it tells me it is. How do I delete these dummy computer names?

we are running server 2003 W/ AD

thanks
centurian102Asked:
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Jason WatkinsIT Project LeaderCommented:
Clear the NetBIOS name server cache on the DC, and restart WINS (if it is in use).  
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centurian102Author Commented:
Sorry....Where and how?
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oBdACommented:
These are probably machines that have been in use at some point and got replaced. Make sure that the machine with the new name is really not existing, then delete the respective computer object from AD (in the Computers container if you left them there, otherwise in whichever OU you're placing your machines).
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Jason WatkinsIT Project LeaderCommented:
Thanks for the points, did it do the trick?

/F
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