Vssadmin теневые копии

http://technet.microsoft.com/ru-ru/library/cc754968(v=ws.10).aspx

Vssadmin add shadowstorage - Adds a volume shadow copy storage association.
Vssadmin create shadow - Creates a new volume shadow copy.
Vssadmin delete shadows - Deletes volume shadow copies.
Vssadmin delete shadowstorage - Deletes volume shadow copy storage associations.
Vssadmin list providers - Lists registered volume shadow copy providers.
Vssadmin list shadows - Lists existing volume shadow copies.
Vssadmin list shadowstorage - Lists all shadow copy storage associations on the system.
Vssadmin list volumes - Lists volumes that are eligible for shadow copies.
Vssadmin list writers - Lists all subscribed volume shadow copy writers on the system.
Vssadmin resize shadowstorage - Resizes the maximum size for a shadow copy storage association.

Удаление теневых копий

Если удалять через diskshadow ручками, то всё получается, т.е.: 
diskshadow> 
delete shadows OLDEST e: 
 
но если ту же комманду записать в скрипт и выполнить:  
C:\Windows\system32>diskshadow -s c:\Users\user-01\AppData\Local\Temp\script.txt > c:\Users\user-01\AppData\Local\Temp\log.log