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Hyper-V (or Microsoft Virtual Server) backup may fail with 0xe000fed1 - A failure occurred querying the writer status.

Article: 100020749
Last Published: 2023-10-30
Ratings: 0 0
Product(s): Backup Exec

Problem

Hyper-V (or Microsoft Virtual Server) backup may fail with 0xe000fed1 - A failure occurred querying the writer status.

Error Message

0xe000fed1 - A failure occurred querying the writer status. Writer Name: Microsoft Hyper-V, Writer ID: {66841CD4-6DED-4F4B-8F17-FD23F8DDC3DE}, Last error: The VSS Writer failed, but the operation can be retried (0x800423f3), State: Failed during post-snapshot operation (11).
 

The System Event Logs on the Hyper V host (physical machine) show:
 Event type: ERROR
 Event source: Volsnap
 Event ID: 32

Description: The shadow copies of volume \\?\Volume{0cb23f5e-d66f-11dd-aa0c-cd6941b8c127} were aborted because the shadow copy storage volume was not present.

Solution

The VSS Shadow Storage may need to be associated with each NTFS volume within the guest virtual machines. This can be done by performing a command similar to the one below for each volume in each virtual machine that supports the assignment of VSS Shadow Storage:
 
Example :
vssadmin add shadowstorage /for=c: /on=c:

(/for = Specifies the volume for which the shadow copy storage association is to be added.

/on = Specifies the volume to be used as storage for the volume that is defined in the /for parameter.)

Re-run the Hyper-V backup 

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