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I followed the guide at to move my laptop from a domain to a workgroup.

One thing caught my eye, and that is: - There's still a ton of records in the registry with the SID from the domain user - Files in C:\windows\system32 have owner set to that SID.

Questions: - How can I fix the issue re: the registry, or should I just leave it as it is? - Re: ownership of files, should I leave them owned by the SID, or change it?

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up vote 1 down vote accepted

One option you could use would be to select the top level folder (if possible) right click > properties > security tab > advanced > remove the option the inherit permissions and remove all entries and add your new username > owner tab > set yourself as the owner > hit apply and wait.

All being well this should resolve your problem.

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That's one option... a) problem is that if there are different ownserhips below that, I would possibly have to do this sub folder by sub folder. b) What are the implications of having these files owned by a SID whose account no longer exists? – NinjaCat Aug 20 '10 at 21:34
A) the method above would override any child permissions B) you would do this with a new local administrator account so it would be the owning SID. – JamesK Aug 23 '10 at 7:43

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