While adding some drivers to WDS image you could see error like this:
The following driver could not be added to the image.
There were no changes made to the image. Click Finish to close the wizard.
Error occured while trying to execute command.
Error Code: 0xc1420127
Solution:
- in regedit.exe
- find registry key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WIMMount\Mounted Images\***************
- export key/key (for backup)
- delete key/keys
- restart service :)