ORA Database Error Messages ORA-27127: unable to unlock shared memory segment July 19, 2017 mpbod ORA-27127: unable to unlock shared memory segment Cause: insufficient privileges to unlock shared memory segment Action: make sure process is running with necessary privileges 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)