Guess what? You can integrate the monthly rollups into an offline image without setting the pending flag. Code: dism /image:c:\mount /cleanup-image /startcomponentcleanup /resetbase Why is this good? Because now you can go around integrating a bunch of updates and resetbase a starting image. When combined with other images, it will make the final result much smaller. This is particularly effective for AIO images. You can also integrate quite a lot of other updates. You can use /preventpending and /get-packages>logfile.txt to figure out which ones you can integrate without setting the pending flag. Edit: don't integrate the netfx3 updates and then resetbase or you won't be able to install netfx3.