KB# - KB000809
QUESTIONBackup fails and Acronis log contains "invalid file reference" error.
ANSWERThis error is caused by file system or disk corruption.
To resolve this run chkdsk /r /f on each drive being backed up (requires reboot).
If the issue is unresolved: -
1) back up each partition individually to isolate the source of the problem2) run Acronis Info tool (instructions here - http://community.kaseya.com/kb/w/wiki/how-do-i-run-the-acronis-info-report-utility.aspx) - submit the output to Kaseya support along with the log sample
FURTHER INFORMATIONTo access the Acronis log for a backup taken with Kaseya Backup, go to Backup tab > backup Sets function and click the success/failed link in the "Result" column.
Kaseya Backup (all versions)
Acronis Backup and Recovery
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