The error "(Microsoft SQL Server, Error: 233)" is because the SQL Server client cannot connect to the server. This error could occur because the server is not configured to accept remote connections.

see the link below for more info

http://msdn.microsoft.com/en-us/library/bb326280(v=sql.100).aspx

http://msdn.microsoft.com/en-us/library/ms345318(v=sql.100).aspx