Close all running programs, restart the product and try to run the backup plan again
This article applies to:
- True Image 2013 by Acronis
Symptoms
A disk or volume backup attempt fails with:
"Failed to set snapshot bitmap. Not locked"
Cause
The most common reason for this issue is low system resources on the machine where the backup is executed.
Solution
Please close all running programs, restart the product and try to run the backup plan again.