I\'ve checked other similar posts but none worked for my case.
I upgraded my mongo shell right before connecting to MongoDB Atlas, from which I created a free sandbox da
The new atlas ui - please note that for better security you should not use 0.0.0.0/0 nut your own ip address or use available timer to terminate the rule
Actually the reason why I couldn't connect is because I had a network restriction from my university's wifi. I was given a test url http://portquiz.net:27017
from MongoDB's support team, I opened it in a browser and I couldn't access it.
I changed to another place with wifi and it worked.
In my case reason was that provider changed my ip address (I have dynamic ip, behind NAT)
after I've updated ip whitelist, connection was restored
I think I was in the same certificate class with you. I just finished with the ending certificate date being Dec 12.
I saw your other post that people downgraded but tried to contact you.
I am not near my computer but I can send you my credentials (as a student) and see if you can log in. In your other post you asked a question regarding the data model and where to get something similar.
On YouTube there is an excellent mongodb tutorial by a gentleman from Europe. I did it before University. Are you interested? I can get the link for you? It is the same information but even better explained.
It will have to be tomorrow (for me) though. I am in Taiwan.