There is a limit on space that must be free on each volume of the backup source. Veeam Agent requires free space to create a VSS snapshot of the backed-up volume. The limit depends on the size of the volume.
|Volume Size (MB)||Free Space Limit (MB)|
|up to 524||52|
|525 to 1073||355|
|1074 to 2146||525|
|2147 and more||1073|
During the backup job session, Veeam Agent checks volumes to ensure there is enough space for the job to run:
- If free space is less than the free space limit, the backup job fails.
- If free space is less than the free space limit multiplied by 2, the backup job finishes with a warning.
For example, if the volume size is less than 525 MBs and free space is 52 to 104 MBs, Veeam Agent finishes the backup job with a warning.