As first try, you could in Teams Settings, temporarily turn on
"Disable GPU hardware acceleration (requires restarting Teams)".
Restart Teams to see if it makes any difference.
Undo if it doesn't.
Another try comes from the Ask Woody article
Carboni: Jittery mouse when controlling Win10 version 1903 via RDP? There’s a solution:
Microsoft has ...
I did try using A to RDP to my VM via it's PC name and that works
without issue. So how would I connnect to the VM from B?
The Hyper-V Guest Machine in Machine A defaults to a NAT network, nominally 172.16.x.y. I verified this on my on Hyper-V Guest machine.
You need to change your Hyper-V Guest machine to "Bridged" Networking. Hyper-V calls it ...
Great post... I have had very similar needs in the past and have a few ways I've been able to do this (or similar enough to adapt to what you're trying to do)--I tend to leverage AutoHotkey but you can use whatever.
Run two background scripts or programs, one local, one remote, using the shared clipboard capability of RDP or similar remote-desktop software. ...
A simple solution to this, which works on my system...
Press one of the arrow keys before issuing the command you want.
For example, attempting an Alt+Tab without hitting an arrow key and the Alt switches the cursor to local, so the Alt+Tab never goes through to the remote system. That's what I am seeing here anyhow.
I found that using one of the arrow keys ...