TNS Database Error Messages TNS-00127: Missing Connection Manager name in TNSNET.ORA September 30, 2020 mpbod TNS-00127: Missing Connection Manager name in TNSNET.ORA Cause: One or more Connection Manager names are missing. Action: Ensure that each Connection Manager name is defined in TNSNET.ORA. Regenerate TNSNET.ORA. 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)