Cannot authenticate into mongo, “auth fails”

Question

I\'ve created an admin user for mongo using these directions:

http://docs.mongodb.org/manual/tutorial/add-user-administrator/

From the mongo client it looks

Answer 1

You may need to upgrade your mongo shell. I had version 2.4.9 of the mongo shell locally, and I got this error trying to connect to a mongo 3 database. Upgrading the shell version to 3 solved the problem.