Symptoms
Backups of Microsoft Exchange is failingGetting below error while taking Microsoft Exchange backup using NMM.C:\Windows\system32>nsrnmmsv -P107092:nsrnmmsv: Version information for C:\Program Files\EMC NetWorker\nsr\bin\nsrnmmsv.exe: Original file name: nsrnmmsv.exe Version: 9.0.1.669Comments: Supporting Microsoft Volume Shadow Copy ServiceChanging backup name POLYEXCHANGE01 to primary name polyexchange01.globalpolycab.com for multi-NIC configured client.136553:nsrnmmsv: NMM .. Exchange2010 Shell interface is unavailable. This may indicate that the EMC powershell library was not properly registered.111867:nsrnmmsv:Exchange2010 Shell interface is not initialised.145370:nsrnmmsv: Initialization error -- Exchange shell failed to initialize. Required for Exchange.117296:nsrnmmsv: Failed to list supported save sets.102332:nsrnmmsv: Exiting with success.
Resolution
Re-register NMM Microsoft Exchange PowerShell interface libraryRun command: C:\Windows\Microsoft.NET\Framework64\yyy\RegAsm.exe "xxx\nsr\bin\libnmmpsmgmtexchange.dll"**Replace xxx with NetWorker installation path (e.g. C:\Program Files)yyy is the version of the Framework installed on the client.For Ex:C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe "C:\Program Files\EMC NetWorker\nsr\bin\libnmmpsmgmtexchange.dll"Make sure that To create an NMM Exchange administrator account from NMM Exchange Admin configuration tool.Refer guide "EMC NetWorker Module for Microsoft for Exchange Server VSS 9" page # 22 for more details.
Run the command :nsrnmmsv -P check it should list the exchange save sets.