I also saw the same Gateway Time-out message when attempting to log into our support account to report the problem.
I took a look at https://status.bentley.com/ but it doesn't show any outages. Unless the IMS certificate is still causing problems two days later?
It's Monday, and a lot of people are trying to sign in as we speak. I'd like to be able to tell them why they aren't going to be able to work.
There are several reasons that your CONNECTION Client fails to sign in. Here are a couple of known reasons. Please take a look on this wiki. there you find the most common errors and the solution to restore CONNECTION Client log in. CONNECTION Client Fails to Sign In - Licensing, Cloud and Web Services Wiki - Licensing, Cloud and Web Services - Bentley Communities