A duplicate name exists on the network

I have a Windows 2000 domain, and many times have a problem getting it to recognize the name of a workstation on the network.  The message I get is "A duplicate name exists on the network.

One of the workstations I am working on is one I swapped out the hard drive, and am just trying to change the name of the workstation on the network.  I have two other workstations that I am able to login locally to, and actually map network drives, but cannot login to my domain.  Each time I try to change the name I get the validation error that sayas "A duplicate name exists on the network."

Sometimes I have been successful by deleting it from Active Directory on the domain, then going back and renaming the PC.  But right now nothing I try seems to be working.
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Pete LongConnect With a Mentor Technical ConsultantCommented:

On the CLIENT find out its computer name.
Start > Run > CMD {enter}
echo %computername%
Write this down. Go to the domain controller and do the following
Start > Run > dsa.msc {enter}
When the Active Directory Users and Computers console opens expand the "Computers" OU and locate the entry that is the same as the name of the client > highlight it and press the delete key.
Now Go back to the client and try to join the domain.

isnt the problem

try running http://www.sysinternals.com/ntw2k/source/newsid.shtml
crissandConnect With a Mentor Commented:
Do you have a wins server? Restart wins service.

When you see "A duplicate name exists on the network" run netstat -n.
sweatbeastConnect With a Mentor Commented:
turn off the machine whos name you are changing. Ping the machine name you are trying to change it to.
Do you get a response? If so then a machine is physicaly on the network with the same name.
Pete LongTechnical ConsultantCommented:
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