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SMHV scheduled backup fails when "-scid" parameter is present

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snapmanager-for-hyper-v
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Applies to

  • SnapManager for Hyper-V (SMHV) 2.1.4
  • Scheduled backup contains -scid parameter under Windows Task Scheduler job

Issue

  • SMHV scheduled backup fails by Input Not Valid
  • Application event log on SMHV hosts indicates the following error

<TIMESTAMP>,581,Error,<HOSTNAME>.<DATASOURCE>,SnapMgrServiceHost,106,"SnapManager for Hyper-V backup failed to complete 
An error occured while executing SnapManager backup job.
Job: new-backup -ds <DATASOURCE> -pid <POLICY> -h <HOSTNAME> -scid <SCID>
Details: An error occured while invoking the powershell cmdlet.
Input Not Valid, An Exception occurred while validating Input. 
 Details : Object reference not set to an instance of an object.

  • SMHV GUI error message: 

Failed to take backup of VM <vm_name> as SnapDrive for Windows is unable to enumerate the following component(s)

  • SMHVPSSnapIn.log indicates error:

<TIMESTAMP>:  ProcessID= <PID> ThreadID= <TID> Input Not Valid ..Invalid input parameters
<TIMESTAMP>:  ProcessID= <PID> ThreadID= 1 An error occured while invoking the powershell cmdlet.
Input Not Valid, An Exception occurred while validating Input. 
 Details : Object reference not set to an instance of an object.

  • Manually triggered backup job is successful

 

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