VixDiskLibVim.dll not loaded during initialization.

Article ID: VMW0005 Backups failing with "VixDiskLibVim was not loaded during initialization".

Symptom

VSA backup the job ifails with the following error "VixDiskLibVim was not loaded during initialization" in vixdisklib.log..
 

VixdiskLib may contain entries similar to the following:

### VixDiskLib: Failed to load vixDiskLibVim.dll : ErrorCode = 0x7f.
### VixDiskLib: VixDiskLibVim was not loaded during initialization. Error at 352.
### VixDiskLib: VixDiskLib_EndAccess: Disk access completed.
### VixDiskLib: VixDiskLib_Connect: Establish connection.
### VixDiskLib: VixDiskLibVim was not loaded during initialization. Error at 352.
### VixDiskLib: VixDiskLib_OpenEx: Open a disk.
### VixDiskLib: VixDiskLibVim was not loaded during initialization.Error at line 292.
### VixDiskLib: Error occurred when obtaining NFC ticket for: [] /.vmdk. Error 16053 at 3707.
### VixDiskLib: VixDiskLib_OpenEx: Open a disk.
### VixDiskLib: VixDiskLibVim was not loaded during initialization.Error at line 292.
### VixDiskLib: Error occurred when obtaining NFC ticket for: [] /.vmdk. Error 16053 at 3707.
### VixDiskLib: VixDiskLib_Disconnect: Disconnect.
### VixDiskLib: VixDiskLib_Cleanup: Remove previous mount points and clean up .
### VixDiskLib: VixDiskLib_Connect: Establish connection.
### 2014-09-13T14:22:51.681-04:00 [10188 error 'HttpConnectionPool-000001'] [ConnectComplete] Connect failed to ; cnx: (null), error: class Vmacore::CanceledException(Operation was canceled)
### VixDiskLib: VixDiskLib_Disconnect: Disconnect.
### VixDiskLib: VixDiskLib_EndAccess: Disk access completed.
### VixDiskLib: VixDiskLib_Connect: Establish connection.
### VixDiskLib: VixDiskLibVim was not loaded during initialization. Error at 352.
### VixDiskLib: VixDiskLib_EndAccess: Disk access completed.
### VixDiskLib: VixDiskLib_Connect: Establish connection.
### VixDiskLib: VixDiskLibVim was not loaded during initialization. Error at 352.
### VixDiskLib: VixDiskLib_Exit: Unmatched Init calls so far: 1.

Cause

Certain third party softwares like Empirium and CA Access control may interfere with loading of vixdisklibvm dll causing backup to fail. 

Resolution

This problem is resolved with application of Commvault Service Pack 8