there have been some issues with 802.1x and Microsoft Windows 2000. It happened that a person was logging on and got a VLAN assigned. After logging off the assignment was not cleared, i.e. the next person logging on found the same environment again and could not access his applications. The reason was an error in the MS implementation.
So I would recommend you to get a lab setup to test each OS in use and the compatibility. There are also Software 802.1x clients you could install, but with a huge LAN there are considerable license fees.
I have found that Funk Software's Odyssey Client does well with wired 802.1x installed on Microsoft. I have been testing it now for several months. You can create preconfigured installation packages for ease of deployment to the user community.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...