ORA Database Error Messages ORA-09764: osnmop: access error on oracle executable July 24, 2015 mpbod ORA-09764: osnmop: access error on oracle executable Cause: The Mach driver could not access the oracle executable. Action: Check the permissions on the ORACLE executable and each component of the ORACLE_HOME/bin path. 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)