Hyper-V RCT enabling

Question

I'am working on fast backup solution for Hyper-V (same tool for ESXi 6.5 using CBT is already done).

My Hyper-Vs (one on Windows 10 config version 8.3 and one on the Windows Server 2019 config version 9) does not create Resilient Change Tracking files (*.mrt and *.rct) in virtual disk folder. I'm really stuck in this point. If I understand MS documentation correctly I need not to do any additional steps to enable Resilient Change Tracking on Hyper-V. I cannot understand why these files are not provided and what steps I need to do to enable it.

I have:

I expect:

Answer 1

MRT and RCT files are created in the default Virtual hard disk folder, not in the backup folder:

In my case, they are in C:\Users\Public\Documents\Hyper-V\Virtual hard disks