I figured I'd share this. I had a lot of issues building an offline image and using these power shell commands I was able to see where the issue was and I also verified my offline image was 100%
Add-PSSnapIn Microsoft.BDD.PSSnapIn -ErrorAction SilentlyContinue Restore-MDTPersistentDrive Update-MDTMedia -Path "DS001:\Media\MEDIA001" -confirm -verbose -ErrorAction Stop -WarningAction Stop -Debug
