Edit: The problem seems to only exist in Internet Explorer. For now I can just do it in another Browser but it would still be good to solve this problem for other users.
Same issue here. I have cloud flare ssl on azure, which has its own ssl. So I decided to "give it a try"... awesome, locked out. After reading this thread I checked my configuration:
looks like Andrei answered this in a different thread:
"In order to disable SSL connect to your database, open [Store] table and set [SslEnabled] column to 0 for your store record (for nopCommerce 3.00)" -a.m.
I have same issue, it not loading site with HTTPS at all, it saying page could not be load and sometimes it showing loading for few minutes and says timeouts, i am using nop 3.8
i have installed the certificate on server successfully and it shows its installed properly on SSL testing sites as well.
i have enabled SSL and set the https url from admin/store/edit as well.
i don't changes any things on web.config , it says requireSSL="false"