Here are some possible mitigations.
First, make sure your ZeroTier connections are optimal:
Run gpedit.msc. (type “edit group policy” into the Start Menu)
Navigate to Computer Configuration > Administration Templates > Windows Components > Remote Desktop Services > Remote Desktop Connection Client.
Set the "Turn Off UDP On Client" setting to Enabled.
See this superuser post for more options and info
If the purpose of your ZeroTier network is solely remoting into office workstations, don’t miss our example rule sets