I have got it on 2 out of the box installations and one other user says that he has it on 5 machines. I am attempting to use the wizard based backup in the Windows SBS Console. It will simply fail with "Backup unsuccessful: A Volume Shadow Copy Service operatoin failed. Unknown error (0x*00423f4)". The issue is with the SqlServerWriter and if I disable the service "SQL Server VSS Writer" then the backup completes successfully. But when it is re-enabled then the same failure again occurs. Also "vssadmin list writers" gives the following after a failure:
Writer name: 'SqlServerWriter'
Writer Id: {a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}
Writer Instance Id: {4a86f412-7635-4af7-9f7f-e43d60b798ed}
State: [8] Failed
Last error: Non-retryable error
Can anyone tell me how do I fix this issue? Thanks.
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