Inconsistent WinRM Connections

Hi,

I've deployed version WAC 2.4.1 (v2) in the past week and have found connections to servers outside the local subnet very inconsistent. The comms side of things have been checked and we have no issues with firewalls or ACL's, and our servers are properly setup to allow WinRM connections from nodes in other subnets (Windows Firewall is also configured accordingly).

The connections from our gateway server to other servers (in different subnets) do work, but when we first logon to the gateway server each day I can connect to the servers on the same subnet as the gateway without issue, but then get WinRM connection issues for the other servers. However, if I then leave it for a couple of minutes and try again, I can get connected to the servers in the other subnets without issue and get no WinRM error messages.

It's a very strange issue, and all the servers concerned are on Windows 2022. Has anyone else experienced this?

Thanks,

Kenny