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Backup fails with "Invalid file reference" error in Acronis log

KB# - KB000809

 

QUESTION

Backup fails and Acronis log contains "invalid file reference" error.

<event id="18" level="4" module="1" code="502" time="1313473175" message="Operation with partition '0-0' was terminated. Details: <indent>Invalid file reference. Error code: 0x7001A Tag: 0x89D94B01B483E1A4</indent>" line_tag="0xA164035B3FF39281" />

 

<event id="19" level="4" module="7" code="26" time="1313473175" message="Invalid file reference" line_tag="0x89D94B01B483E1A4" />

 

<event id="20" level="4" module="100" code="103" time="1313473175" message="Failed to perform the backup operation." />

 


ANSWER

This 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 problem
2) run Acronis Info tool (instructions here > https://kaseya.zendesk.com/entries/32393263-How-do-I-run-the-Acronis-Info-Report-Utility-) submit the output to Kaseya support along with the log sample

 

FURTHER INFORMATION

To 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.

 

APPLIES TO

Kaseya Backup (all versions)

Acronis Backup and Recovery

 

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