PROBLEM


Backups from a Hyper-V Host running Server 2016 fail with the error below:

The VM configuration version needs to be upgraded to v8.0 or newer (Error code 'RCTCONTROLLER_019')





CAUSE


This error occurs when certain attempting to backup a VM from a Hyper-V Host running Server 2016 which has a version less than 8.0



SOLUTION


Note: The VM needs to be in an Off state in order to upgrade it's configuration version.


The solution is simply to upgrade the VM Configuration to 8.0 or above using the below steps:


  1. Open Hyper-V Manager and right click on the VM in question. Select [Update Configuration Version] from the menu:




  2. Click [Upgrade] to confirm: