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No, you will have to wait for the merge to complete 
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No, you will have to wait for the merge to complete

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I have since been experimenting and I can restart the vm, while the merge is in progress then repeat the process (shut down the VM) later and it will finish when given enough time. &nbsp;It appears that everything is OK when I have done that. &nbsp;I now have fewer AVHDs, but no more available space. &nbsp;There are fewer AVHDs, but one has grown by the size of the removed AVHD, so no additional drive space.
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I have since been experimenting and I can restart the vm, while the merge is in progress then repeat the process (shut down the VM) later and it will finish when given enough time.  It appears that everything is OK when I have done that.  I now have fewer AVHDs, but no more available space.  There are fewer AVHDs, but one has grown by the size of the removed AVHD, so no additional drive space.

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I have several hyperv snapshots. I would like to delete these to recover the drive space. &nbsp;What if I delete a snapshot, then turn off the VM so the AVHD can merge, then I need to restart the VM before the merge has finished? IS that OK?<br />
Thank you<br />
J
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I have several hyperv snapshots. I would like to delete these to recover the drive space.  What if I delete a snapshot, then turn off the VM so the AVHD can merge, then I need to restart the VM before the merge has finished? IS that OK?
Thank you
J

HyperV merging AVHDs

Microsoft Virtual Server was a virtualization solution that facilitated the creation of virtual machines on the Windows XP, Windows Vista and Windows Server 2003 operating systems. Virtual machines are created and managed through a web-based interface that relies on Internet Information Services (IIS) or through a Windows client application tool called VMRCplus. Features included Linux guest operating system support, Virtual Disk Precompactor, symmetric multiprocessing (SMP), x64 host operating system support, the ability to mount virtual hard drives on the host machine and additional operating systems support, including Windows Vista, and a volume shadow copy writer.