Errors when trying to inject offline Windows Updates into a mounted WIM

WIMerror

If you are using WIM files for Operating System Deployments (OSD) you may be injecting Windows Updates in to the WIM to keep them up to date. If you are doing this, you may run into errors when processing through the updates like this:

This is because the mounted WIM thinks that there are pending updates. To clear this, you need to edit a registry key within the mounted WIM file.

How to edit a mounted WIM files registry

To edit the registry within your WIM file, you first need to ensure that the WIM file is actually mounted. Then you need to run the following command:

reg load HKLMwimkey {mounted_location}windowssystem32configsoftware

where:

  • {mounted_location} = The location of your mounted WIM file

You should now go into regedit and under HKLM you will see a value of wimkey.

You now need to browse through the registry to:

SOFTWAREMicrosoftWindowsCurrentVersionComponent Based ServicingSessionsPending

Then, make sure that the account you are using has full access permissions to the key. To do this, right click the key and click Permissions, then change where required.

Look for the Exclusive DWord, this will probably have a value of 3, but change it to 0.

Once this is complete, you then need to go ahead and unload the reg key. Use the following command to do this:

reg unload HKLMwimkey

Now, go back to your offline update procedure and try again, you should now notice that it runs through without errors:

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About A.J. Armstrong

Founder of TechyGeeksHome and Head Editor for over eight years! IT expert in multiple areas for over 20 years. Sharing experience and knowledge whenever possible! Making IT Happen.

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