ORA Database Error Messages ORA-16169: LGWR network server invalid parameters September 25, 2015 mpbod ORA-16169: LGWR network server invalid parameters Cause: The LGWR network server could not switch to blocking mode Action: The alert log contains more problem-specific information Back to previous menu 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)