> We are running a Windows 2008 Enterprise Server. I created three partitions
> C: (136GB) E: (136GB) and F: (136GB). I used the C: partition for the
> Windows 2008 Server and saved the Virtual Server File (VHD) on the E:
> partition. After creating a few SnapShot's I noticed the the SnapShot File
> location was set to the default location
> C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshots. This caused the C: Drive
> to run out of Disk Space. I went ahead and deleted all the SnapShot from the
> Hypber-V Manager. But for some reason it did not free up the space on the C:
> Drive. I did a little research and found out the all the SnapShot Files
> (*.avhd) are still inside the
> C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshots folder. Since I am new to
> Hyper-V and Virtualization I am afraid to move or delete this Files. Can
> anyone tell me if I have to manually remove those files from the C: Drive or
> is there an other way to remove the SnapShots other then the Hyper-V
> Manager? All the help is appriciated.

> On Thu, 15 May 2008 18:23:41 -0700, Roman wrote:
>
>> We are running a Windows 2008 Enterprise Server. I created three
>> partitions
>> C: (136GB) E: (136GB) and F: (136GB). I used the C: partition for the
>> Windows 2008 Server and saved the Virtual Server File (VHD) on the E:
>> partition. After creating a few SnapShot's I noticed the the SnapShot
>> File
>> location was set to the default location
>> C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshots. This caused the C:
>> Drive
>> to run out of Disk Space. I went ahead and deleted all the SnapShot from
>> the
>> Hypber-V Manager. But for some reason it did not free up the space on the
>> C:
>> Drive. I did a little research and found out the all the SnapShot Files
>> (*.avhd) are still inside the
>> C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshots folder. Since I am new
>> to
>> Hyper-V and Virtualization I am afraid to move or delete this Files. Can
>> anyone tell me if I have to manually remove those files from the C: Drive
>> or
>> is there an other way to remove the SnapShots other then the Hyper-V
>> Manager? All the help is appriciated.
>
> This is expected behaviour. What happens when you delete a snapshot
> depends
> on how many descendant snapshots the one you're deleting has:
>
> 1. If you delete a snapshot that has not descendants then all of the
> associated files are deleted.
> 2. If you delete a snapshot that has only a single descendant the
> configuration and saved state files will be deleted and the differencing
> disks will be merged with those of its descendant.
> 3. If you delete a snapshot with more than one descendant the
> configuration
> and saved state files will be deleted but the differencing disks won't be
> merged until the number of descendant snapshots is reduced to one.
>
> Whether or not you can safely delete those files is really hard to judge
> without knowing what the original snapshot configuration looked like.
>
>
> --
> Paul Adare
> http://www.identit.ca
> Save energy: Drive a smaller shell.