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Windows 7: computer dropping from domain "the trust relationship" failed

09 Dec 2011   #1

windows 7 enterprise 32 bit
computer dropping from domain "the trust relationship" failed

I have a lab or 28 computers all on the domain with their own individual names (meaning nowhere else in the school is a duplicate name) they are all active in AD and are running Windows 7 Enterprise. For some reason and more than any other lab I manage, about two or three of these computers drop off the domain at a time. Itís always a different set of computers at a time but itís always like 2-3 at a time.

(Dropping off the domain is) when a student or teacher attempts to login the get the error, "the trust relationship between this workstation and primary domain failed". The only way to get logged in is to log on under local admin and go to where I have to add them back to the domain and it still will say the domain address. So typically I just drop them (by adding them to x workgroup and then put them back on the domain and restart the computer.) Or I just re-image the computer. Can't remote in. "No such host is known."

Can you think of any reason why they would be dropping? Also, is there any way for them (students/teachers) to be causing it to purposely drop them from the domain?

This has been happening way too often to where it's getting to be a nuisance. Anyone who can offer help I would greatly appreciate it.

My System SpecsSystem Spec


 computer dropping from domain "the trust relationship" failed

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