Your local database is not accessible over network. Try the following -
- Check whether server is on
- Check whether firewall is not blocking the Program
- Check whether
Named Pipes
andTCP/IP
is enabled in SQL Configuration manager. To access SQL Configuration Manager, go to Start > SQL Server (Version) > SQL Configuration Manager. Then expand Client Configuration (if it's x64 then there will be 2 item , click that does not have 32 with it). From the right pane selectNamed Pipe
,Vias
andTCP/IP
and enable all and restart server. - Make sure you are using correct instance name. MQL Server Enterprise or Standard editions might not have instance names but also can be installed with instance name. See in you SQL configuration manager that you are using the proper instance name.
Then try again.