When you use the legacy backup tool, Backup and Restore (Windows 7), in Windows 10 or 11, the error code 0x81000019 may appear.
Windows Backup did not complete successfully.
If you click “Options” the following error message is shown:
A shadow copy could not be created. Please check "VSS" and "SPP" application event logs for more information. Details: The writer experienced a non-transient error. If the backup process is retried, the error is likely to reoccur.
If you click “Show details”, it shows the last encountered error, which is 0x81000019
.
If you check the “VSS” and “SPP” entries in the application event log, the following entries will appear.
Log Name: Application Source: VSS Date: Event ID: 8193 Task Category: None Level: Error Keywords: Classic User: N/A Computer: OptiPlex-7010 Description: Volume Shadow Copy Service error: Unexpected error calling routine IVssAsrWriterBackup::GetDiskComponents. hr = 0x8007085a, The Workstation service has not been started. Operation: OnIdentify event Gathering Writer Data Context: Execution Context: ASR Writer Writer Class Id: {be000cbe-11fe-4426-9c58-531aa6355fc4} Writer Name: ASR Writer Writer Instance ID: {84e4c1bf-e06d-41da-a6cf-cd8a8f7cda78} Operation: OnIdentify event Gathering Writer Data Context: Execution Context: ASR Writer Writer Class Id: {be000cbe-11fe-4426-9c58-531aa6355fc4} Writer Name: ASR Writer Writer Instance ID: {84e4c1bf-e06d-41da-a6cf-cd8a8f7cda78}
and
Log Name: Application Source: VSS Date: Event ID: 12290 Task Category: None Level: Warning Keywords: Classic User: N/A Computer: OptiPlex-7010 Description: Volume Shadow Copy Service warning: ASR writer Error 0x8007085a. hr = 0x00000000, The operation completed successfully. . Operation: PrepareForBackup event Context: Execution Context: ASR Writer Execution Context: Writer Writer Class Id: {be000cbe-11fe-4426-9c58-531aa6355fc4} Writer Name: ASR Writer Writer Instance ID: {84e4c1bf-e06d-41da-a6cf-cd8a8f7cda78} Error-specific details: ASR Writer: The Workstation service has not been started. (0x8007085A)
Log Name: Application Source: SPP Date: Event ID: 16387 Task Category: None Level: Error Keywords: Classic User: N/A Computer: OptiPlex-7010 Description: Writer ASR Writer experienced some error during snapshot creation. More info: The Workstation service has not been started. (0x8007085A).
Resolution
To resolve the Windows Backup errors 0x81000019 and 0x8007085a, start the Workstation service.
- Press Win + R, type services.msc and click OK.
- Double-click the “Workstation” service.
- Set it to Automatic start.
- Click Apply, and click Start to start the service.
(When starting the Workstation service, note the error messages, if any, and post them in the comments section below.)
If the service starts correctly, see if you can backup the files using the Backup and Restore tool.
Additional note
The Windows Backup/System Image Backup feature is deprecated and no longer being developed or updated. For greater reliability, it’s suggested that a third-party backup solution, such as Macrium Reflect, EaseUS, etc., be used.
Windows 7 Backup and Restore deprecated – Compatibility Cookbook | Microsoft Learn
While there is no behavioral change to Backup and Restore, this function is being deprecated and will not be updated. It was rarely used and its functionality has been replaced by the new File History feature.
Related links
Fix: System Image Backup Error 0x80780119
Windows Backup Failed to Get an Exclusive Lock on the EFI System Partition
How to Restore System Image Backup in Windows 10 or 11
“System Image Backup” Error 0x80070716 After Upgrading to Windows 10
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