id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host
8274,VBox 4.0.2 delete snapshot error with running VM,cdp-ava,,"Host: Win7 x64
Guest: Win7 x32

Snapshots can be created via vboxmanage for the running image, but cannot be deleted while the virtual guest is running.  For example:

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\dbear>cd ""\Program Files\Oracle\VirtualBox""

C:\Program Files\Oracle\VirtualBox>VBoxManage.exe snapshot Win7 take backup1
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

C:\Program Files\Oracle\VirtualBox>VBoxManage.exe snapshot Win7 delete backup1
0%...
Progress state: RPC_E_SERVERFAULT
VBoxManage.exe: error: Snapshot operation failed. No error message available!
-=-=-=-=-=-=-=
Once the guest is shut-down, the snapshot is then able to be deleted:
C:\Program Files\Oracle\VirtualBox>VBoxManage.exe snapshot Win7 delete backup1
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

",defect,closed,VM control,VirtualBox 4.0.2,duplicate,snapshot,,Windows,Windows