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Druva Documentation

VSS errors

This topic lists the VSS errors that you may encounter while working with Phoenix.

VSS1

Error Message:    VSS writers are not in correct state. OR

VSS writers are not in correct state.:[VSS writer has reported failure : [state = <text>, result_code = <text>], writer details are = [writer class id : <text>, writer name : <text>]]

Error Description:  The error can occur because of one of the following reasons:

  • The source server is out of memory or other system resources.
  • An unexpected error.
    For more information, see Event and Error Handling listed under VSS.
  • The writer is not operating properly.
  • Ensure that VSS service is running. 
    For more information, see the error log.
  • The specified writer does not exist.

VSS2

Error Message: VSS snapshot operation 'DoSnapshotSet' failed/timed out.

Error DescriptionThe error can occur because of one of the following reasons:

  • The disk size not enough for the snapshot.
  • The system is unable to flush input/output writes.

Error Solution: To resolve this error, try the operation again.

VSS3

Error Message:  Required VSS writer not found.:[SQL VSS Writer is not present in application server.]

Error DescriptionThe error can occur if a particular VSS writer is not available on the application server.

Error SolutionTo resolve this error:

  • On the command prompt, type "vssadmin List Writers". 
  • Check if the required writer is present on the application server.

VSS4

Error Message: Logical path not found in VSS component map.

Error Description: The error can occur if the logical path is not present in the VSS writer's component map.

Error Solution:  To resolve this error, restart the Volume Shadow Copy service.

VSS5

Error Message: Component not found in VSS component map.

Error Description:   The error can occur if  the component is not found in logical path present on VSS writers component map.

Error Solution: To resolve this error, restart the Volume Shadow Copy service.

VSS6

Error MessageVSS operation 'BackupComplete' failed/timedout.

Error SolutionTo resolve this error, retry the operation.

VSS7

Error Message: VSS snapshot IO error occurred.

Error Description:   This error can occur if:

  • VSS is unable to run, it may occur if another VSS instance is already running or might be due to some other IO error.
  • The previous VSS Snapshot has not completed properly and is still running.

Error Solution: To resolve the error:

  • Stop and restart the Volume Shadow Copy service. 
  • If the issue still persists, reboot the machine.

VSS8

Error MessageVSS service is not running.

Error Solution:  To resolve this error:

  • Check the VSS services. If the VSS service is not running, manually start the service and switch it to automatic mode.
  • If VSS service is disabled, then switch it to automatic mode.

VSS9

Error MessageRequired VSS writer is not in running state.:[SQL Writer is not running]

Error Solution:  To resolve this error:

  • Check the VSS services. If the VSS service is not running, manually start the service and switch it to automatic mode.
  • If VSS service is disabled, then switch it to automatic mode.

VSS10

Error Message:   VSS writer count mismatch, if the current writer count does not match the  required writer count. :["Required writers count for VSS operation is not  correct, current writer count = <m>, required writer count = <n>" ]

Error Description: This error can occur if:

  • The required writers are not present in the application server.

Error Solution:  To resolve this error, do the following:

  • On the command prompt, type vssadmin List Writers, to know if the VSS SQL writer is in running and stable state.
  • The SQL writer on the window services must be running and enabled. It must be also set to automatic.

VSS11

Error MessageVSS operation 'PrepareForBackup' failed/timedout.

Error DescriptionThis error can occur if  VSS internal call fails. 

Error Solution: To resolve this error, try the operation again.

VSS12

Error MessageThe specified volume has already reached its maximum number of shadow copies.

Error DescriptionThis error can occur if:

  • The limit of VSS shadow copies is exceeded.The limit of VSS shadow copies per volume is 64.

Error SolutionTo resolve this error, do the following:

  • On the command prompt, type vssadmin List Shadows,to check the available shadow copies.
  • Delete some copies.

VSS13

Error Message: VSS pre Restore operation failed.

Error Solution: To resolve the error, restart the Volume Shadow Copy service and retry the restore again.

VSS14

Error Message: VSS post Restore operation failed.

Error Solution: To resolve the error, restart the Volume Shadow Copy service and retry the restore again.

VSS65535

Error Message:   Volume Shadow Copy(VSS) Internal Error !!

                                      OR

                                     Phoenix Internal Error

Error Solution: Contact Druva support.