While reviewing my my blog search engine terms I find Error 40 is the most common error searched. I have previously wrote blog about how to fix this error here : SQL SERVER – Fix : Error : 40 – could not open a connection to SQL server.
Today I have added few screen shot of that error and their solution to help readers who need additional help to understand my post.
Solution Part 1: Enable SQL Server Service
Solution Part 2: Enable TCP/IP Protocol
Reference : Pinal Dave (http://blog.SQLAuthority.com)