I've merged avhdx's into the master vhdx (only had three avhdx's though) and it's doable, if tedious. You end up with a workable .VHDX and a system at the latest status point but no snapshots.
And yes, always work from copies even if it adds significant time. Dave > Without having a backup of the original machine configuration, you may be > stuck with either discarding those snapshots, or attempting to merge the > entire chain into one new file, losing your checkpoints. Make backups of > the files first, if you haven't already. > > http://serverfault.com/questions/609772/regenerate-snapshots-from-avhdx-files > > http://workinghardinit.wordpress.com/2014/08/29/manually-merging-hyper-v-checkpoints/ > > http://social.technet.microsoft.com/wiki/contents/articles/6257.manually-merge-avhd-to-vhd-in-hyper-v.aspx > > If you do find a way, please post back! > > -Bonnie > > From: [email protected] > [mailto:[email protected]] On Behalf Of John Bonner > Sent: Thursday, October 23, 2014 12:02 PM > To: [email protected] > Subject: [NTSysADM] Create Hyper-V from existing VHDX > > We have some hyper-v server images that if possible we would like to not > rebuild. However the original machine they were installed on is no longer > available. > > So we have 1 vhdx and 8 avhdx. The vhdx is the virtual disk and the avhdx > are check points if I remember correctly. > > The process I used to build these machines was such as base > install...checkpoint..install SQL Server...checkpoint...install visual > studio...checkpoint etc... > > I created a new vm on my windows 8 box and in the create wizard I told it > to use an existing vhdx then pointed to my previous one. > > The system boots and takes the correct password. However it comes up at > the base install point. The checkpoints do not show in Hyper-V manager and > consequently they do not get applied to the VM. > > Now I have found that there is a sort of checkpoint database (xml) and > several related folders in > C:\ProgramData\Microsoft\Windows\Hyper-V > thinking maybe there are some pointers I could realign but it seems > editing them is not supported. > > I also tried under the settings option of the test vm to change the > checkpoint location. That seems to be a place for checkpoints to be stored > and it doesn't seem to pick them up if any exist........this behavior > makes sense as the pointer xml / database thingy is where that information > should come from. > > > So is there a way to get these checkpoints associated / recreate / make > use of these existing hyper v machines? > > Thank You > JB > >
