Anonymous access of iviews

Friends,

I am trying to access an iview through anonymous acess method.for that i selected iview authentication type as anonymous and gave enduser permission to anonymous group.After that i tried to access that iview using the following URL format

<http/https>://<server>:<port>/irj/servlet/prt/portal/prtroot/<iView_ID>

but i am getting the following error

Access denied (Object: com.sap.portal.system/security/sap.com/NetWeaver.Portal/high_safety/com.sap.portal.runtime.system.console/components/default).

Couls anyone help me on this...

Regards,

Arun