Yes I can repro this.
Steps taken:
- Registered for a New Relic account.
- Navigated to
https://discuss.newrelic.com - Clicked Sign In
- Clicked Sign In (in modal that appeared)
- Redirected to
https://login.newrelic.com/login?...in same window. - Entered New Relic credentials and clicked Sign In
- Redirected back to
https://discuss.newrelic.com - Saw Register User modal appear for <1 sec.
- Forums appeared to refresh, still not logged in.
Note, I tested this in Google Chrome (60) and Internet Explorer (11) on Windows.