ORA Database Error Messages ORA-09756: osnpns: no port in the name server July 24, 2015 mpbod ORA-09756: osnpns: no port in the name server Cause: osnpns could not find the given named port in the name server. Action: Check the error code in sercerrno. Make sure the shadow process and network name server are still running. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)