This is a known issue affecting VMware vCenter Server 5.x and 6.0.x.
This issue is resolved in VMware ESXi 5.0, Patch Release ESXi500-201412001, available at
VMware Downloads. For more information, see
VMware ESXi 5.0, Patch Release ESXi500-201412001 (2088715).
Currently, there is no resolution for ESXi 5.1, 5.5, and 6.0.
To work around this issue, delete any
-ctk.vmdk files associated with the virtual machine template. After completion, disable Change Block Tracking (CBT).
To delete any
-ctk.vmdk files associated with the virtual machine template:
- Log in to the VMware vCenter Server with administrator credentials either through the vSphere Client or the vSphere Web Client.
- Browse the VMFS datastore where the affected virtual machine template is located.
- Move or delete any of the associated -ctk.vmdk files from the VMFS datastore.
To disable Change Block Tracking (CBT):
- Power off the virtual machine.
- Right-click the virtual machine and click Edit Settings.
- Click the Options tab.
- Click General under the Advanced section and then click Configuration Parameters. The Configuration Parameters dialog opens.
- Set the ctkEnabled parameter to false for the corresponding SCSI disk.