Has anyone seen this error after installing an Exchange 2000 server into an Exchange 5.5 domain. I have since removed the last 5.5 server in the domain but I still get these errors. I am running Exchange 2k with SP3. Event Type: Error Event Source: DCOM Event Category: None Event ID: 10002 Date: 10/30/2002 Time: 4:45:06 AM User: NT AUTHORITY\SYSTEM Description: Access denied attempting to launch a DCOM Server. The server is: {9DA0E103-86CE-11D1-8699-00C04FB98036} The user is SYSTEM/NT AUTHORITY, SID=S-1-5-18. *** Confidential *** The information in this email is confidential and may be proprietary or legally privileged. It is intended solely for the addressee. Access to this email by anyone else is unauthorized. If you are not the intended recipient, please reply to the sender that you received the message in error and then delete or destroy the message along with any attachments. Thank you.