I have the same issue with Meraki/ISE setup. when a windows client tries connect to wifi after reboot automatically the hostname gets "host/xxxx" attached to it but when you connect manually that doesn't happen. I made the above adjustment in advanced setting for ISE but that did not resolve the issue for me and I still see a lot of authentication failure when windows machines are trying to connect automatically when they come up on the network. User must click on SSID to connect and when they do that the host/ is not there anymore   ... View more