I have read some information that led me to believe it would work, but after installing it I can't get it to work. V:\>vshadow -ws VSHADOW.EXE 2.2 - Volume Shadow Copy sample client Copyright (C) 2005 Microsoft Corporation. All rights reserved. (Option: List writer status) (Gathering writer metadata...) (Waiting for the asynchronous operation to finish...) Error during the last asynchronous operation. - Returned HRESULT = 0x80042318 - Error text: VSS_E_WRITER_INFRASTRUCTURE - Please re-run VSHADOW.EXE with the /tracing option to get more details V:\>cscript G:\Backups\VHD_Backup.vbs Microsoft (R) Windows Script Host Version 5.6 Copyright (C) Microsoft Corporation 1996-2001. All rights reserved. done