TNS Database Error Messages TNS-02402: Bad CLBGNAMES parameter in tnsnames.ora November 5, 2020 mpbod TNS-02402: Bad CLBGNAMES parameter in tnsnames.ora Cause: CLBGNAMES parameter in TNSNAMES.ORA is bad. Action: Check the CLBGNAMES parameter format and correct it. Make sure that the TNSNAMES.ORA file is there. 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)