DCOM and MultiThread in Web Services

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Hello!

I'm expericencing a hard problem!

DCOM (MS VirtualServer)
ASP.NET v 1.1
IIS 6 on Win 2003 Server

I have a Web Service that call multiple Virtual Server DCOM interface.

The Web Service is impersonated (User is DOMAIN\ADMINISTRATOR). When
calling from the Main Thread (generating by IIS when user make a
WebMethod call), all local and remote DCOM Virutal Server respond
correctly. But if I make my call from another Thread (created from the
main thread with ThreadPrincipal copied from the main to the "child"
thread), only the Local DCOM Virtual Server respond. All remote DCOM
call throw a System.Exception with "Access is Denied" as the only
description.

No differences when MTA or STA...

All idea could Help me!

Thanks to you.
.

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