Usually sa password is created when SQL Server is installed. A long time ago default used to be an empty password but it's not recommended practice. You should create a login/user specifically for your application and give it adequate access rights.

>
>I am trying to set up SQL Server Authentication. I enabled it first. And I can see that in the Security -> Logins there is "sa" login. Do I understand correctly that "sa" should be in the connecting string (for a VFP application)? Also, what is the default password for "sa"?
>
>TIA