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I have a corrupted security key in the registry (Windows XP) for the windows update service. I noticed that I can copy a security key from another service and move and replace it with the corrupted key. We have many machines that have this issue. Can we script this with a security key we know will work or can one machine not have the same security key as another?

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What is the registry key? –  Nixphoe Apr 18 '13 at 14:45

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It sounds like you are referring to the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wuauserv\Security\Security value, is that correct? If so, to script it you can:

  1. Run the following command on a "working" machine: sc sdshow wuauserv
  2. Note the output of that command, which will be similar to D:(A;;CCLCSWRPLORC;;;AU)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;SY)
  3. On the "broken" machines, run the following command, replacing <SDDL> with the value from step two: sc sdset wuauserv <SDDL>
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I would upvote but I am not allowed –  user168403 Apr 20 '13 at 0:54

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