Backup configuration, run the follow command:
> %windir%\system32\inetsrv\appcmd.exe add backup "MyBackupName"
to restore that backup, run this command:
> %windir%\system32\inetsrv\appcmd.exe restore backup "MyBackupName"
to delete a backup, run this command:
> %windir%\system32\inetsrv\appcmd.exe delete backup "MyBackupName"
