Enterprise Services applications typically offer critical middle-tier functionality. If your Enterprise Services applications reside on the same computer as the processes that call these applications, you can add an additional layer of security—beyond the security that role-based access controls offer—by disabling COM+ Network Access. Disabling COM+ Network Access prevents network access to all Enterprise Services applications.
Review the features and functions of the COM+ Network Access role service.
If you installed Application Server with the COM+ Network Access role service enabled, you can disable this role service by removing it with the Remove Role Service Wizard.
For more information about COM+ Network Access, see What's New in COM+ 1.5 (