TNS Database Error Messages TNS-04015: CMCTL: error while performing NS receive command November 5, 2020 mpbod TNS-04015: CMCTL: error while performing NS receive command Cause: This is an internal NS error. Connection may be lost. Action: If the error persists, contact Oracle Support Services. 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)