Duplicate name error on most Windows XP Clients

Hi,

We've got a site with the following :

1 x Windows 2003 DC
1 x Windows 2003 Member Server
20(ish) x Windows XP PCs

4 x HP Laserjet Printers (with jetdirect cards)
1 x Brother Printer (with internal NIC)

Most (if not all) Windows PCs are getting the error "PC with Duplicate name exists on the network" BEFORE the user logs in.
The errors in event log are as follows :

First Error
A duplicate name has been detected on the TCP network.  The IP address of the machine that sent the message is in the data. Use nbtstat -n in a command window to see which name is in the Conflict state.

0000: 00040000 00540001 00000000 c00010df
0010: 00000101 00000000 00000000 00000000
0020: 00000000 00000000 c0a80107

Followed by
The redirector was unable to register the domain LEUKAEMIA on to transport NetBT_Tcpip_{953DDE54-D519-4D40-A2AD for the following reason: . Transport has been taken offline.

The results of the nbtstat on a sample PC are :
nbtstat -n

Local Area Connection:
Node IpAddress: [192.168.1.60] Scope Id: []

                NetBIOS Local Name Table

       Name               Type         Status
    ---------------------------------------------
    CHI-2466       <03>  UNIQUE      Registered
    CHI-2466       <20>  UNIQUE      Registered
    CHI-2466$      <03>  UNIQUE      Registered
    ROS            <03>  UNIQUE      Registered

Where the user is ROS and the PC netBIOS name is CHI-2466

Thanks!
Andrew
splatnetAsked:
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scrathcyboyConnect With a Mentor Commented:
Sounds like you have domain controller duplication.  SHUT DOWN al computers.  EVERYTHING, for 10 minutes, they must all be off together, especially the servers.  Now reboot.  If the problem does not go away, you have duplicate names resident in overlapping domain controller entries, and you will have to work between one server and the other to eliminate them.
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glenn_1984Commented:
Log on to each PC as administrator

Right click on My Computer

Left click on properties

Click on Computer name

You can change them from here
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GeisrudSystems AdministratorCommented:
Were the 20-ish PC's all made from the same image where a computer name was specified?  If so, you might have to do what Glenn_1984 suggests and rename them.
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