Backup of a virtual machine with DFSR enabled using either VMware Virtual Infrastructure (AVVI) or Hyper-V agent may complete with the exception "Directory 'DfsRoots\Namespace\DFS-Share' does not support Granular Recovery Technology (GRT)"

Problem

When performing an Vmware or Hyper-V Agent backup of a Windows virtual machine with DFSR enabled, the backup may complete with the exceptions Granular restores cannot be performed for items in this directory.

Error Message

Exception in Job Log:

Backup- VMVCB::\\vCenter Host\VCGuestVm\(DC)CLUSTERNAME(DC)\vm\FOLDER\VM NAME
V-79-57344-38724 - Directory 'DfsRoots\Namespace1\DFS-Share' does not support Granular Recovery Technology (GRT).  Granular restores cannot be performed for items in this directory.


V-79-57344-38724 - Directory 'C\DFS Root SharedDrive\' does not support Granular Recovery Technology (GRT). Granular restores cannot be performed for items in this directory.

 

Solution

Backup Exec is working as designed with the current supported versions of the product which are experiencing this issue. Perform one of the following solutions listed below to prevent the exceptions showing in the Backup Exec job log.

  1.  Disable File level GRT in the backup of the virtual machine with DFSR

OR

  1. If file level restores are needed for DFSR, backup the affected virtual machine as if it were a physical machine. Perform a (RAWS) Backup Exec Remote Agent Backup.
 

 

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