Standalone backup agent for Microsoft Windows servers and workstations (formerly Veeam Endpoint Backup FREE)
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mriksman
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Full Name: Michael
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Case #03062757 - A VSS critical writer has failed.

Post by mriksman »

Hi,

I have a paid B&R, but the support contract has run out. I use the Free edition of the Windows Agent, for which I am having problems with.

I tired to use the Support page on the Windows Agent to submit my problem, but it says for the Free edition, to use the provided form. Unfortunately, these PCs are isolated from the Internet.

How can I submit a support request? I am having the "A VSS critical writer has failed. Writer name: [SqlServerWriter]" issue.

Thanks.

EDIT: I managed to create one on the support site under my log on as an 'Evaluation Support' case. Case #03062757
mriksman
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Case #03062757 - A VSS critical writer has failed.

Post by mriksman »

I can no longer backup my server. It just started happening after I performed a 'Server failover' to another server (which does a lot of SQL operations to transfer ownership to the other server).

6/20/2018 8:14:35 AM :: Error: Failed to create snapshot: Backup job failed. Cannot create a shadow copy of the volumes containing writer's data. A VSS critical writer has failed. Writer name: [SqlServerWriter]. Class ID: [{a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}]. Instance ID: [{8b84f1c8-3060-4bc9-8886-cd75662660aa}]. Writer's state: [VSS_WS_FAILED_AT_PREPARE_SNAPSHOT]. Error code: [0x800423f4].

A restart of the server has not fixed the issue.

Code: Select all

Writer name: 'SqlServerWriter'
Writer Id: {a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}
Writer Instance Id: {8b84f1c8-3060-4bc9-8886-cd75662660aa}
State: [8] Failed
Last error: Non-retryable error


When I attempt to use DISKSHADOW, I get;

ERROR: Selected writer "SqlServerWriter" is in a failed state
- Status: 8 (VSS_WS_FAILED_AT_PREPARE_SNAPSHOT)
- Writer failure code: 0x (VSS_E_WRITERERROR_NONRETRYABLE)
- Writer ID: {a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}
- Instance ID: {8b84f1c8-3060-4bc9-8886-cd75662660aa}

The last operation failed.
- Returned HRESULT: 80042301
- Error text: VSS_E_BAD_STATE
Dima P.
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Re: Case #03062757 - A VSS critical writer has failed.

Post by Dima P. »

Hello Michael.

Since the case is now opened please keep working with our support team and do not forget to share the investigation results. Cheers!
hjot
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Re: Case #03062757 - A VSS critical writer has failed.

Post by hjot » 1 person likes this post

This Problem can be solved when you set the LOGIN as an Domain Admin !!
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