I just installed SQL Server Express 2012 on my home server. I\'m trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known e
One More Thing...
Kyralessa provides great information but I have one other thing to add where I was stumped even after this article.
Under SQL Server Network Configuration > Protocols for Server > TCP/IP Enabled. Right Click TCP/IP and choose properties. Under the IP Addresses you need to set Enabled to Yes for each connection type that you are using.