Windows SIM unable to generate catalog

When using Windows SIM (System Image Manager), which is part of the Windows AIK (Automated Installation Kit) you might run inthe the the following error when you try and load a .WIM image…

“Windows sim was unable to generate a catalog”

Chances are that you are trying to open a .WIM image from the $RemoteInstall share. In this folder structure the WIM’s are slightly different as they incorporate metadata and a .RWM that contains the image data. The easy way around this is to fire up the Windows Deployment Services MMC, then find the image, right click and export to somewhere else. You should then be able to create a catalog using the newly exported .WIM.

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