Product:
Cognos Controller 8.5

Symptom:
Error after the selection of database when you login to the Cognos Controller client.

Problem:
Error message to user

System.Web.Services.Protocols.SoapException: Server was unable to process request: Permission denied …

Error in windows event viewer
Event Type: Error
Event Source: DCOM
Event Category: None
Event ID: 10016
Date: 2010-04-27
Time: 14:59:24
User: server\frangoadm
Computer: PTP280
Description:
The machine-default permission settings do not grant Local Activation permission for the COM Server application with CLSID
{BE913F44-118C-11D5-A324-00C04FA0E3B7}
to the user server\frangoadm SID (S-1-5-21-57989841-2049760794-725345543-1924). This security permission can be modified using the Component Services administrative tool.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Cause:
In some cases the windows service account used for the Cognos Controller service need more users rights than the default administrator groups gives it.

Solution:
Add the windows user account used for Cognos Controller COM+ package to the local group “Distributed COM users” on the Windows 2003 server for Cognos Controller application.