Here we go for something really odd.
We have set up SSO login for our VPN using Azure AD. For some users this works absolutely perfectly, including me. For some other users when they attempt to connect they are getting a 404 site not found error before they even get as far as entering a username.
There is no configuration differences with the users all installing from the same client, and though we have multiple gateways / VPNs we've found if a user gets a 404 error from one of them, they'll get it from all of them. If it works on one, it'll work on all.
I'm seriously confused as this is all configured on a per gateway basis and there is nothing configurable at a per user level, and again this is even before a username is entered in the connection process.
Has anyone come across this before? Any ideas on where I can go to troubleshoot?