Backing up a single GPO is fine and dandy, but using one single command to back them all up? Now that's what I'm talking about! Here is a command that will immediately back up every GPO in our domain:

Backup-Gpo -All -Path C:GPO_Backups -Comment "This is the regular nightly backup of all GPOs"

Cool! You can even add comments to the backup jobs! After allowing this command to run, if we take a look inside C:GPO_Backups we will see many folders with crazy names. Backing up GPOs via PowerShell accomplishes the same thing that it does via GPMC – where each GPO backup will be stored using a unique, random GUID so that you can back up time and time again into this same folder, and the backups will never step on each other's toes or overwrite each other: