>>See also Re: Timeout expired Thread #1249834 Message #1249857
>
>There is probably more to it, if the default is 600. Because, in my case, I get that after about 30 seconds.

We're also getting the same error from .NET application from the first login page. Apparently the login tries to update the last activity date. However, we did't yet try to adjust these settings.

For my own tests I simply switched to the local database. Though I was not able to add a user properly and had to use Windows Authentication for now.