I have a lab that wasn't completely replaced.  Some machines were replaced and a new image built from one them.  That image was deployed to the rest of the machines fine.  I no longer have that image and am attempting to create another one from one of the previously-imaged machines, but sysprep repeatedly fails for me.  What can I do (aside from build another image from scratch)?  I'm just wanting to know if this is even possible (sysprepping a machine that has been imaged); I'm still in the process of researching all of the errors I'm getting with the attempted sysprep.
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what is the error you are getting?  you can resysprep imaged machines, I have done that many times in situations where we did not want to start over.
Answered 07/23/2015 by: SMal.tmcc
Red Belt

  • "Fatal error while sysprepping". It can mean one of a million things. When I look at my log, it shows what's happening, so I research it and fix it, run sysprep again, new error. Every single time. I have a feeling I'm better off just creating another image. It'll take a while, but it'll be quicker in the long run.
    • usually the failures like that come from ghost profiles left in the registry, clean out all unneeded profiles and check the registry for ghosts. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList and HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileGuid
      • Should it matter if I'm on a domain or not?
      • no I have syspreped machines in the domain and copied the profile of the domain user to default without a problem
    • I agree with your assessment that you should build from scratch again. You might not learn what went wrong in this scenario, but it would probably save you time and as a general rule it is always better to start from scratch when sysprep is involved.
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