1.Launch Sage 50. Click on Server Configuration.
3.Setup IP address. Make sure you know your pc ip address before do this.(google it : how to check Ip Address pc)
Delete 127.0.0.1 by clicking delete button and then enter your pc ip address in Server Host box.(Do Not change Service Port). Save it by clicking save button.
Usually it will suddenly close when hit save button.
Launch it again and now go to Database Server IP
And now change 127.0.0.1 to your pc ip. Hit save button .
Attention: Do No enter more than single Ip address in "Server Configuration".