Posted: Sunday, September 26, 2010 7:26 PM Quote
You may be able to connect with SQL Server Management Studio with no problem, but have an issue with NopEasy - that may be because your SQL Server is not set up to allow remote connections. If you are trying to connect to a local SQL Server, you need to set it to allow remote connections.

Here is a pretty good article on how to set your SQL Server up to allow remote connections:

http://blog.sqlauthority.com/2009/05/21/sql-server-fix-error-provider-named-pipes-provider-error-40-could-not-open-a-connection-to-sql-server-microsoft-sql-server-error/