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Create VM Failed – VMM does not have permissions
Posted by on 15 July 2015 12:00 AM
By Robert Keith
Create VM fails on the file VHD file copy. Depending on the VMM operation, the error may be Error 12710, Error 26559, or the file copy will fail on the Fast Copy operation and fall back to a BITS file copy when the library Network Share is manually mounted on the host server.
Using VMM to create a new Virtual Machine either fails to copy the VHD from the Library Server to the VM Storage Server share, or the operation falls back from a Fast File copy operation to a BITS file copy over HTTP.
The Error Message displayed in the VMM Job Log is:
In the above situation, it turned out that the Network Share for the Storage Server where the VHD file was copied to was previously mounted to the host server as a volume.
The VM creation was being performed by the VMM Agent on host [IP1-Comp-2-4]. The permissions on both the Library Server and the VHD Storage Server were correct. When connecting to the host machine and looking at the mounted shares, the [VMImages] share was mounted as a volume.
Since the share is mounted under a domain account, and the VMM Agent runs under a local account, access permissions were affected.
Dismounting and disconnecting this share resolved this issue.