- Windows firewall blocks the sql server. Even if you open the 1433 port from exceptions, in the client machine it sets the connection point to dynamic port. Add also the sql server to the exceptions.
"C:\Program Files\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\Binn\Sqlservr.exe"
More info
- This page helped me to solve the problem. Especially
or if you feel brave, locate the alias in the registry and delete it
there.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer\Client\ConnectTo\