By default, the SQL Server 2012 Express® database is not configured to communicate
over the TCP/IP protocol. If you are installing a site Database that
uses SQL Server Express,
then you must enable the TCP/IP protocol before the site Database
can function properly.
Procedure
- On the Start menu, click .
- Click SQL Server 2012 Services.
- Expand the SQL Server 2012 Network Configuration node,
and then select Protocols for MSSQLServer (SQL
Instance Name).
- Right-click TCP/IP, and then click Enable.
- Select SQL Server 2012 Services in
the tree.
- Right-click SQL Server (SQL Instance
Name), and then click Restart.