ORA Database Error Messages ORA-12196: TNS:received an error from TNS August 4, 2015 mpbod ORA-12196: TNS:received an error from TNS Cause: The navigation layer received an error from TNS. Action: See the error log file for the specific TNS error. 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)