ORA Database Error Messages ORA-12806: could not get background process to hold enqueue August 12, 2015 mpbod ORA-12806: could not get background process to hold enqueue Cause: Internal error. Action: This error should not normally occur. If it persists, contact Oracle Support Services. 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)