ORA Database Error Messages ORA-09969: unable to close or remove lock file July 28, 2015 mpbod ORA-09969: unable to close or remove lock file Cause: The close system call or unlink system call returned an error. Action: Check errno for more information. 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)