ORA Database Error Messages ORA-02815: Unable to attach shared memory July 1, 2015 mpbod ORA-02815: Unable to attach shared memory Cause: Shmat(2) failed. Action: Check the UNIX number. If you are unsure about what it means, contact ORACLE customer support. 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)