An Agent for VMWare Infrastructure (AVVI) backup Job completes with the error "Failed to mount one or more virtual disk images" when the virtual servers are migrated from Physical machines with utility partition or the virtual disk contain multiple partitions.

Article:TECH66000  |  Created: 2010-02-08  |  Updated: 2014-05-14  |  Article URL http://www.symantec.com/docs/TECH66000
Article Type
Technical Solution


Environment

Issue



An Agent for VMWare Infrastructure (AVVI) backup Job completes with the error "Failed to mount one or more virtual disk images" when the virtual servers are migrated from Physical machines with utility partition or the virtual disk contain multiple partitions.


Error



Failed to mount one or more virtual disk images:

From remote agent debug: VDiskMounter::MountAllDisks: no drive letter or volume GUID found


Solution



An AVVI Backup Job may complete with an exception "Failed to mount one or more virtual disk images" when either of the following conditions are true:
 

 
1. When the virtual machines (VM's) are migrated from Physical machines with utility partition.
 
2. The VMDK files for the virtual machines have multiple partitions created on it.
 
3. The disk signature of the volumes is different than expected.
 

 
Note: All guest machines that receive this error will not be able to perform GRT restore. VMWare restores and VMWare redirection restore are not effected by this issue.
 

 
Resolution:
 
The above mentioned issue is now fixed by way of a hotfix. Please refer the Related Documents Section for more information about the hotfix.
 

 

Supplemental Materials

Value1476636
Description

AVVI Backup Job completes with the error "Failed to mount one or more virtual disk images" When VM serves are made from Physical machines with utility partition.



Legacy ID



316459


Article URL http://www.symantec.com/docs/TECH66000


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