When logged onto a Windows 2000 domain a Vista PC suddenly thinks it's logged on as another user
Okay, this is a really odd one. We have a Windows Vista Business PC, up to date on service packs which is a member of a Windows 2000 domain. I know 2000 isn't supported and we are trying to get the system upgraded, but it's not happening yet. The domain controller is updated as far as it can be. The user logs onto the PC and happily works with their network drives. Then completely at random they start getting access denied if they try to access their own user folder on the server. Checking on the server to see active sessions you can see that the PC is showing as logged on by a different user! The actual user is still logged on and there's only one session running. To prove that the server thinks they are now somebody else they can access the user folder of the wrong user, which is not the best security situation I've ever seen. The user it switches over to has never even logged onto the PC, there's no Users folder in that name. I hope I explained that okay, let me know if I need to clarify anything. Does anyone have any idea? I can't see any logic to this at all. Thanks in advance. Cheers, Neil
November 25th, 2010 7:16am

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November 30th, 2010 4:01am

Hi, When I say randomly I mean it will work fine from the moment they log on until the issue occurs, which will be after a seemingly random amount of time. It is only happening on the one PC and I have no idea how to go about reproducing it since I can't even say what situation I'd need to reproduce. I shall try the credentials and see if that helps at all. Thanks for the suggestion, Regards, Neil
December 1st, 2010 9:13am

Hi, Sorry I didn't update sooner, I checked the PC and it did indeed have an erroneous entry in Credential Manager. Removing it seems to have sorted it, although I have no idea how it got there in the first place. Cheers, Neil
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January 27th, 2011 8:11am

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