Fixing 'User Profile Service Failed The Logon' on Vista
Posted By : todd sharp Posted At : September 19, 2008 9:03 AM Posted In: Vista
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I've rescued yet another Vista installation from certain doom. A good friend of my wife asked for help yesterday after Vista decided to no longer let her logon. I did some quick Googling when I found out the actual error message and came across both a knowledge base article and a tutorial on how to fix this funky error. The fix was rather simple for a technical person, but the average user would likely have had issues since it involved modifying some registry entries. The worst thing about the issue is that there really is no explanation or patch provided to prevent the issue from happening or reoccuring. There is a 'cause' in the knowledge base article that states the issue occurs when a "user profile was manually deleted by using the command prompt or by using Windows Explorer" which my friend did not do.
Oh well - at least it's fixed. Posting here to hopefully save others from digging should they come across the same issue.



At first my machine wouldn't shut down, just sit on the shut down screen for hours until I 1 finger saluted. This ended up being zonealarm not being able to be shut down correctly.
Next, midway through playing a song from my windows home server, the song would stop and the network connection to the server would drop. The only way to fix it was a reboot.
I apparently have some bad luck?? heh.
And the tutorial depends on having a second admin account. It doesn't help when the profile in question is the only admin account.
@Alex: My friends account was the only admin account and this fix worked for me.
2 - Run regedit
3 - Examined the keys under HKLM\Software\Microsoft\Windows NT\Current
User\ProfileList\ and find the key for your user id SID (Probably the one with ".bak" appended to it)
4 - Append .temp to the SID identical to the one with .bak
5 - Remove the ".bak" and change the State property under that key to 0
6 - Logoff and login with your user account.
I just had this problem and I use this procedure to put my account working again.
User was able to log in to old profile. Only needed to reconfigure outlook which was east as the account was still set for domain access.
Thanks.
1. Turn laptop off and on and after turning it on at the same time hold the key ''Alt" and tab at the key ''F10"....
2. Then wait for the windows loading.
3. Choose the first option that asks if you want to restore evrything in ur pc which will erase everything you saved atfter the first time that the laptop was used.