If you trying to add a driver to your boot image and you recieve the following error:
Error Occurred while trying to execute this command.
Error Code: 0xc1420127
The following steps have to solve the issue:
-Clear temp directories
-Open registry and go to "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WIMMount\Mounted Images" and delete keys below
-If the error appears as before, restart the WDS service