I'm scratching my head over a recent issue that appeared while upgrading one of my NPS servers.   I had removed one of the servers from the configuration to allow my self some time to finish the config. By the time I was finished and reintroduced the new server I started seeing loads of message discarded events.  Of course i suspected the new server but looking through the logs in elastic I could see that requests started failing for that site on both machines..   The server has the same name, same config, and same IP as before. Running the same OS as the secondary node. No changes to VPN path etc ( I started suspecting MTU issues but seems unlikely ) The current config that was applied hasn't been changed in years, everything has just worked so I'm starting to suspect issues with changes to the dashboard or firmware?   I tried changing back to the "old view" for the SSID configuration and applying the same settings but errors kept piling in.   Is this something that will self heal? Is it just the configuration lagging to propagate properly in my network?   Has anyone seen this before? ... View more