TNS Database Error Messages TNS-00121: Missing CMANAGER_NAME in INTCHG.ORA September 30, 2020 mpbod TNS-00121: Missing CMANAGER_NAME in INTCHG.ORA Cause: No CMANAGER_NAME parameter specified. Action: Define the CMANAGER_NAME parameter in INTCHG.ORA; it must match the CMANAGER_NAME parameter used in TNSNET.ORA for that Interchange. 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)