The COM / COM+ ETW data collector collects COM and COM+ ETW tracing.
This article describes the information that may be collected from a machine for COM / COM+ related troubleshooting.
User Account Control:
COM / COM+ ETW Tracing
COM / COM+ ETW trace files
For more information about the diagnostic tool and diagnostic tracing, click the following article numbers to go to the articles in the Microsoft Knowledge Base:
973559 Frequently asked questions about the Microsoft Support Diagnostic Tool (MSDT) when it is used with Windows 7 or Windows Server 2008 R2
926098 How to enable COM+ and COM diagnostic tracing