Access is denied to AIC

Event Type: Error
Event Source: BizTalk Server
Event Category: Document Processing
Event ID: 324
Date: 4/11/2006
Time: 9:48:17 AM
User: N/A
Computer: BE-TCN-TEST
Description:An error occurred in BizTalk Server.
Details: ------------------------------ [0x0154] This server could not create a component with the class ID "{1C7F70A8-15F6-4699-9AD0-115C6A974D7D}" for transport. Verify that this component is properly registered. The following error was returned:
[0x80070005] Access is denied.
[0x0156] The server could not finish processing messaging port "MS2TCN2AIC".
[0x1730] Suspended Queue ID: "{1785B9E0-212A-448D-BD76-5EDF3C2F5A43}"
[0x80070005] Access is denied.

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--> The AICs are not properly registerd in COM.