Windows Server 2008R2 Backup failed

Occasional Contributor

Log Name: Application
Source: Microsoft-Windows-Backup
Date: 31/01/2019 15:54:15
Event ID: 517
Task Category: None
Level: Error
The backup operation that started at '‎2019‎-‎01‎-‎31T10:08:16.321413700Z' has failed with following error code '2155348256' (Windows Backup failed to set security on the files and folders under '<backup location>\WindowsImageBackup\<Computer Name>'. Check that SYSTEM has permissions to overwrite the previous backup.). Please review the event details for a solution, and then rerun the backup operation once the issue is resolved.
Event Xml:
<Event xmlns="">
<Provider Name="Microsoft-Windows-Backup" Guid="{1DB28F2E-8F80-4027-8C5A-A11F7F10F62D}" />
<TimeCreated SystemTime="2019-01-31T10:24:15.364298200Z" />
<Correlation />
<Execution ProcessID="3632" ThreadID="4536" />
<Security UserID="S-1-5-18" />
<Data Name="BackupTime">2019-01-31T10:08:16.321413700Z</Data>
<Data Name="ErrorCode">2155348256</Data>
<Data Name="ErrorMessage">%%2155348256</Data>

1 Reply

Do you have corrupt Backups in the specified Folder that cannot be deleted or are locked by a process?