Tsql Login Failed But Management Studio Can Connect

I'm trying to connect to a MS SQL Server instance using tsql (to troubleshoot not being able to connect with django-pymssql). I can connect fine to the server (running on Amazon RD

Solution 1:

Answering my own question. Turns out it was down to the password being too long. I experimented with it, and any password longer than 30 characters didn't work. Seems to be a known issue with freetds.

Thanks.