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Windows XP client failing on NT4 network

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by i.stewart

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Recently set up an XP client on Win NT4 SP6 server based network. After a short time the XP machine dropped off the network and now cannot log back on. Client event log shows event 3210 and 5719(?), both concerned with machine account. Server event log says no trust relationship exists with that client. This happens even if client is renamed and rejoined to the network. Any ideas??

2 replies

by lunart

The authentication for the trust account is based on the workstations SID which is created during setup. If your cloneing the XP workstations and NOT using sysprep then even if you change the computer name the SID won't be changed. If your cloneing then you have multiple accounts in the NT Domain SAM which have the same SID. You'll need to,

Remove all cloned XP machines from the Domain.

Delete the computer account for each on the PDC

Run sysprep on each machine (MS knowledge base has ample details, the program is under support tools on the XP pro CD)

Reboot each XP machine add them back into the Domain after Mini Setup has run and a new SID for each generated.

If your not cloning,

remove the XP computer form the Domain(just make it a workgroup)

Delete the computer account on the PDC, (don't worry if it still appears as a computer account after you delete it, that's just the Browse List, it takes a while to update)

Add the computer back to the Domain, it'll ask you to create an account, go ahead and all should be ok.

gl.

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