ORA Database Error Messages ORA-12223: TNS:internal limit restriction exceeded August 4, 2015 mpbod ORA-12223: TNS:internal limit restriction exceeded Cause: Too many TNS connections open simultaneously. Action: Wait for connections to close and re-try. 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)