ORA Database Error Messages ORA-12562: TNS:bad global handle August 6, 2015 mpbod ORA-12562: TNS:bad global handle Cause: Internal error – bad ‘gbh’ argument passed to TNS from caller. System may have been linked with old libraries. Action: Not normally visible to the user, contact Oracle Customer Support. 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)