Hello {DAFRAYAL},
Welcome to Microsoft Community.
Thank you for your support of Microsoft products.
Configuring roles in COM+ applications involves security policies, this question is out of scope for the Answers Support Community. The best place to get help is IT Pro Community, where is intended to support more advanced users such as yourself.
If there is anything not clear, please do not hesitate to let me know.
Best Regards,
Lenka-MSFT | Microsoft Community Support Specialist