http://msmvps.com/blogs/kevinmcneish/archive/2006/10/13/SQL-Server-2005-and-SQL-Express-Error_3A00_-SQL-Server-does-not-allow-remote-connections.aspxIf you get the following error when connecting to SQL Server 2005 (including SQL Express): An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the defaultenCommunityServer 2008.5 SP2 (Build: 40407.4157)