How To Close Sql Server Vss Writer? (Solution found)

Is the SQL writer service independent of VSS?

  • Note that the VDI API is independent of VSS and is frequently used in software solutions that do not employ VSS APIs. The SQL Writer service must run under the Local System account. The SQL Writer service uses the NT Service\SQLWriter login to connect to SQL Server.

Can I turn off SQL Server VSS writer?

The SQL VSS writer is enabled by default in Azure but we have been turning it off as I assumed it would break the chain. If VSS could do copy_only backups I would/could just ignore it. Yes if backup tools, which use VSS, take copy_only backups then there is no need to disable it.

How do I turn off VSS backup?


  1. Go to the Windows start button and type “services” into the text search box; open the Services program.
  2. Locate “Volume Shadow Copy” from the list, highlight it, and then and the right-click > Properties.
  3. From the “Startup type” drop-down menu, select Disabled, and then click Apply and OK.

How do I stop Sqlwriter?

Select the “sqlwriter.exe” process from the list. Click the “End Process” button. Click “End process” on the pop-up window. This prevents any errors from attempting to uninstall a program while it is running.

What is the SQL Server VSS writer?

The SQL Writer Service provides added functionality for backup and restore of SQL Server through the Volume Shadow Copy Service framework. It must be running when the Volume Shadow Copy Service (VSS) application requests a backup or restore. To configure the service, use the Microsoft Windows Services applet.

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Does VSS writer need SQL Server?

If your server needs to backup your databases without taking the database offline, or using the SQL Server Backup Stream, then turn on the SQL Server VSS Writer service on your computer. If your backup software is simply copying files from your disk to your backup device, be sure to turn this service on.

Does SQL Native backup use VSS?

SQL Server provides support for Volume Shadow Copy Service (VSS) by providing a writer (the SQL writer) so that a third-party backup application can use the VSS framework to back up database files.

How do I disable VSS provider?

Delete the unnecessary provider GUID subkey and close the registry. Open Windows services and reboot the “Volume Shadow Copy” service. It may be stopped to begin with, that’s okay. Check and see if the provider is gone from: vssadmin list providers.

Is VSS enabled by default?

VSS is a technology developed by Microsoft that allows backup applications to safely back up locked and open files. Microsoft Volume Shadow Service must be enabled in the OS ( it is enabled by default )

Should I disable VSS?

It is not recommended to turn off Volume Shadow Copy. It manages and implements Volume Shadow Copies used for backup and other purposes. If this service is stopped, shadow copies will be unavailable for backup and the backup may fail.

How do I check SQL VSS Writer status?

To check the VSS provider/writer status.

  1. Open a command window.
  2. At the command prompt, type vssadmin list providers, and then press ENTER.
  3. Confirm that Microsoft VSS provider is listed as:
  4. Type vssadmin list writers at the command prompt, and then press ENTER.
  5. Confirm that all the VSS writers are showing:
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How do I restart SQL Server VSS writer?

Find the failed VSS writers and their associated services, and restart them:

  1. Click the Start button then type CMD.
  2. Type vssadmin list writers to find each of the VSS writers in a failed state.
  3. Restart the service to clear the failed state.
  4. Make a list or take a screenshot of all failed VSS writers.

How do you rebuild a VSS writer?

Repairing VSS Writers

  1. On the target machine, open an elevated command prompt with administrator privileges.
  2. Run the command vssadmin list writers, and make a note of any writers in a Failed state.
  3. Open services.
  4. Open task manager and hard kill the processes for the related failed VSS writers.
  5. Return to services.

How does SQL VSS writer work?

The VSS writer tells the backup tool how to back up the application and its data. Database servers such as Microsoft SQL Server also contain VSS writers. VSS requestor: The VSS requestor initiates the backup process. Any application that needs to quiesce data for capture can play the role of VSS requestor.

How does VSS backup work?

Microsoft’s VSS operates by taking what is called a copy on write snapshot of your system. This allocates a small temporary storage space. Then, every time you write to a part of your disk, the information on the disk is first copied to the snapshot before allowing the write to take place.

Where are shadow copies stored?

Shadow copies stored are stored locally, at the root of the Windows volume in the System Volume Information folder.

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