It sounds like an authorzation issue. Does the component access data? Does the second XP box have permissions to get at the data? Or, are you using impersonation with the COM+ component?

>I've created a server application based on COM+ tehnology on a XP OS PC. I've exported a proxy (from Component Services/Com+ App/My Server App...) on another XP OS PC.
>When I tried to instantiate an object on my proxy machine, the server returned a message error like: "OLE error code 0x80070005 Access id denied".
>When I tried the same thing on a W2000 server PC it worked.
>What's going on?