ORA Database Error Messages ORA-06902: CMX: cannot attach to cmx subsystem July 13, 2015 mpbod ORA-06902: CMX: cannot attach to cmx subsystem Cause: ccp-xxxx is not started Action: start your ccp software on the communication controller 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)