there are couple of ways to do that. The easier way is create a user group and grant all permissions like select, delete or something on all tables without execution...

Maybe I do not make myself clear. The error I posted in my first message is the only detailed error log I can have from SQL server. The sql-profiler does...

Does anyone have any ideas and experience about how to handle my problems?

As what I posted, that is the only error message I can find. I think that the error is caused by the security context. It is so frustrating. Why can the client login...

Thanks Chris.

Yes, the SQL enterprise server has a Force Protocol Encryption option turned on. It is one of the standard requirements in the production environment, and I cannot simply...