Cleaning up old computer names in Windows 2000 Server?

I have a client that tries to maintain his own network.  He has one domain controller and about 65 workstations.  As users leave the company he changes the computer name to reflect the new employee.  Over time the same physical computer shows up in twice in AD “users and computer” and under DNS.  Example…old computer name may be “tjones” for an old user “Tom Jones”.  As the user leave the company and the new user starts working at the company, he’ll change the name of the computer to the new users name…”jsmith” for an employee “Jane Smith”  Is there a Microsoft tool or a way to remove the old computer names from “users and computer” and DNS?
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Just delete them.  Right click and delete in Active Directory Users and Computers.

By the way, you might want to warn him, the computer name and user name should be DIFFERENT.  Further, he could save himself some time and effort if he just named the computer after position - reception1, accounting3, sales1, sales2, exec5, etc.
Zaheer IqbalTechnical Assurance & ImplementationCommented:
I agree with leew, doing what he is doin at the moment is administrative overhead and un-necessary.
I suggest you name the PC's with names eg after the company then dept and a number.
Danny ChildIT ManagerCommented:
I've found this tool to be handy in the past to find and delete obsolete AD accounts: AD Janitor

also, oldcmp.exe was handy too

The basic principle was that each PC maintains it's own internal password with the DC, and this changes on it's own every 30 days.  So, if a password is Older than 30 days, then that machine hasn't appeared on the domain in that time.  We set up a procedure to delete accounts older than NINETY days just to be safe.  

be warned, AD Janitor is a bit scarey cos it's so powerful, so it may be better for you to use it, rather than him......

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I sugguest he manually deletes the computer names from the DNS server and AD, and to save time, rename all ther workstations to workstation1, workstation2... or something that can stay static. This will be the best option.

Danny ChildIT ManagerCommented:
thanks for the oldcmp.exe suggestion - worked like a charm for me:

^^ File now available here ^^
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Windows 2000

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