TNS Database Error Messages TNS-04062: CMCTL: Bad command or syntax error: For help type help/h/? November 9, 2020 mpbod TNS-04062: CMCTL: Bad command or syntax error: For help type help/h/? Cause: An invalid command was entered. Action: Check the Oracle9i Net Services Administrator's Guide or type HELP for a list of valid commands. 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)