TNS Database Error Messages TNS-01106: Listener using listener name string has already been started October 29, 2020 mpbod TNS-01106: Listener using listener name string has already been started Cause: Another listener is already listening on one of the ADDRESSes specified. Action: Shut down the previous listener specified by the listener name before starting this one. 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)