Article ID: 2756886 - View products that this article applies to.
When performing any operation on a virtual machine (VM) in System Center 2012 Virtual Machine Manager (VMM), the job fails with the following error:
VMM cannot find the Virtual hard disk object' error 801
This can occur if VMM has orphaned records in the database showing snapshots that no longer exist.
To resolve this issue, remove the orphaned objects from the database by following the steps below.
1. Stop the System Center Virtual Machine Manager service on the VMM 2012 server.
2. Back up the Virtual Manager database.
3. Open SQL Management Studio and run the following script on the VMM database:
4. Start the System Center Virtual Machine Manager service again and refresh problem VMs. The VMs should return to a proper reporting state.
This resolution can also be used for 801 errors when perfoming a Physical to Virtual conversion (P2V). Information on that solution can be found here:
959596 - Description of the System Center Virtual Machine Manager 2008 update to address physical to virtual (P2V) issues (http://support.microsoft.com/kb/959596)
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.