I'm getting the error 99 on

I'm getting the error 99 on the create disk image task and the image only has a A, C and D drive...anyone know where else i can dig to fix this? GSS3HF1. Status details are the following:

Restarting pc to prepare...

booting to automation

uploading disk image

error -99 during imaging process

...or where i can veify my PE is in fact changed to M?