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The differential and incremental backup of Hyper-V 2012 R2 VM replica is not working

The full backup of Hyper-V 2012 R2 VM replica is working fine, but the differential and incremental backup of Hyper-V 2012 R2 VM replica is not working and it will fall back to a full backup instead.

The job has a exception as below:

 

A Full backup was run on this virtual machine, since the option to fall back to a full backup was selected. Incremental\\Differential backup methods are not supported for this virtual machine.
 

I am wondering whether it is not supported?..

4 Replies

It is supported. A full

It is supported. A full backup can run instead of incremental / differential for various reasons such as the VM being powered off, Hyper-V Integration services are either not installed or not updated, unsupported disk configuration of the VM, lack of sufficient free space etc.

The problem is solved. Thanks

The problem is solved. Thanks

You should elaborate on how

You should elaborate on how the problem is solved

Especially since I am having

Especially since I am having the same issue. all full backups are working. incrementals are having issues.