TNS Database Error Messages TNS-04064: CMCTL: Failed to find CMANAGER_NAME in CMAN.ORA November 9, 2020 mpbod TNS-04064: CMCTL: Failed to find CMANAGER_NAME in CMAN.ORA Cause: CMCTL was unable to find the CMANAGER_NAME parameter in CMAN.ORA. Action: Check that the CMAN.ORA file is properly constructed. 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)