EFI lock preventing backup

[mikemcsharry]

We have server 2012r2 and Kasperky anti-virus.

 

Started having problems with Windows Server backup bare metal where it fails with EFI does not have exclusive lock

 

This has popped up in Kaspersky forums a little bit and I wonder if anyone here can answer a specific query.

 

Is there a way to tell the Anti-virus package to treat the efi partition as an exception and not scan it.

 

We've had Kaspersky 10 for a while, something in last few weeks has caused this problem, Kaspersky said 10 not supported move on to 11, which I have.

 

I'm not sure if this helps to pinpoint the problem, but if I run a backup almost immediately after a reboot it seems to work okay