>Hmmm, I haven't checked, but I think it does have security, same as SQLServer. Try logging in using login name "sa" and a blank password.
>
>>I have installed MSDE on NT 4.0 Server. How do I access it? MSDE is up and running but when I try to connect when creating an ODBC connection or through a namely connection, I get a connection error. It is prompting for a user name and password. I though MSDE did not have security. What am I doing wrong.

Yep, I just checked, it has two accounts by default:
BUILTIN/Administrators
sa