ORA Database Error Messages ORA-07721: scgcm: not enough OS resource to obtain system enqueue July 16, 2015 mpbod ORA-07721: scgcm: not enough OS resource to obtain system enqueue Cause: d by the messages SS$_EXENQLM or SS$_INSFMEM. Action: Free up some of the required resource to allow the creation of the required lock. 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)