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Windows 7: Inacessible C: Drive after Using NewSID

30 Jan 2013   #1

Windows 7 Ultimate x64 SP1
Inacessible C: Drive after Using NewSID

I just used NewSid to change my SID and after a reboot the c drive is inaccessible from startup repair.

Is their any way to undo this or have i just hosed my os.

I cant access system restore or anything in c drive.

My System SpecsSystem Spec
30 Jan 2013   #2

Microsoft Community Contributor Award Recipient

Win 7 Pro 64-bit

Are you able to get into the Advanced Boot Options menu? If yes, one of the options is Repair Your Computer > System Restore which may get your computer back.

Just an FYI, NewSID was "retired" on 11/3/09. Microsoft apparently fixed the SID problems with the release of Vista and with XP w/SP2. I don't think there's any reason to use NewSID unlessyou're using a Sysprep image of XP w/SP1.

System Recovery Options

The Machine SID Duplication Myth (and Why Sysprep Matters) - Mark's Blog - Site Home - TechNet Blogs
My System SpecsSystem Spec

 Inacessible C: Drive after Using NewSID

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