![Acronis Cyber Backup: backup fails with "VSS writer has timed out" or "The backup has failed because 'VSS Writer' has timed out during snapshot creation." | Knowledge Base Acronis Cyber Backup: backup fails with "VSS writer has timed out" or "The backup has failed because 'VSS Writer' has timed out during snapshot creation." | Knowledge Base](https://kb.acronis.com/system/files/content/2019/04/ajax/61714_01.png)
Acronis Cyber Backup: backup fails with "VSS writer has timed out" or "The backup has failed because 'VSS Writer' has timed out during snapshot creation." | Knowledge Base
![SQL Server Backup Applications - Volume Shadow Copy Service (VSS) and SQL writer - SQL Server | Microsoft Docs SQL Server Backup Applications - Volume Shadow Copy Service (VSS) and SQL writer - SQL Server | Microsoft Docs](https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/media/sql-server-vss-writer-backup-guide/dataflow-chart.png?view=sql-server-ver16)
SQL Server Backup Applications - Volume Shadow Copy Service (VSS) and SQL writer - SQL Server | Microsoft Docs
![SQL Server Backup Applications - Volume Shadow Copy Service (VSS) and SQL writer - SQL Server | Microsoft Docs SQL Server Backup Applications - Volume Shadow Copy Service (VSS) and SQL writer - SQL Server | Microsoft Docs](https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/media/sql-server-vss-writer-backup-guide/coordinations.png?view=sql-server-ver16)