Back in VCenter I attempted to consolidate the snapshots again – this time it worked.ĥ. Moved all CTDK files into the tmp directory ( mv *-ctdk.vmdk /tmp )Ĥ. I created a ‘tmp’ folder in the VM’s directory on vmfs/volumes/$LUN/$VMģ.

I also discovered the datastore the host was using as I would need to browse to this directory.Ģ. I then discovered which host the VM resided on in Vcenter and then logged onto it via ssh. I resolved it taking the following steps:Ģ. Using KB2013520 ( ) I discovered the problem was possibly corrupt CTK files. Status: An error occurred while consolidating disks: Could not open/create change tracking file I shut down the VM out of hours, right clicked on the VM then clicked ‘Snapshot’ and ‘Consolidate’ as suggested by VMware here ( )Īs soon as I did this I received the following alert: Here the VMware Disk Consolidation is the process of merging virtual disk files with virtual machine snapshots. We had an alert in VCenter on a particular VM stating that ‘Virtual machine disk consolidation is needed’.

Vmware disk consolidation