I created a named instance, I am a DBA , i can connect to named instance using SERVERNAME\INSTANCE name, but none of the developers are able to connect to it in same way. But they are successfull by giving SERVERNAME,PORTNUMBER,
Please help me to find the reason for this..
Are you connecting locally while logged into the server or from a remote workstation in the same network segment as the developers?
1. Make sure the SQL Browser service is started.
2. Make sure UDP port 1434 (port used by Native Client to reach SQL Browser service) is open between the developer workstations and the server.
__________________________________________________________________________________________________There are no special teachers of virtue, because virtue is taught by the whole community. --Plato