TNS Database Error Messages TNS-00255: Closing down log, stopping Navigator October 8, 2020 mpbod TNS-00255: Closing down log, stopping Navigator Cause: Log message when Navigator is stopped. Action: No action required. 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)