MFCOM and ASP.NET, in the Scripting / Automation forum on BrianMadden.com

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rasimmer Posted: Thu, May 21 2009 10:45 AM

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Has anyone done any work with MFCOM and ASP.NET?  I am new to ASP.NET programming and had hoped that it would be a bit more straight-forward.  It seems that the issue is DCOM permissions (I know no one has ever had such a crazy issue with MFCOM).  I read several articles on configuring DCOM but nothing is really helping.  I also tried adding the ASPNET and IUSR_~computerName~ to the DCOM perms and it's not working.  At this point, I'm just running the stuff from my XP box on the dev server with Visual Studio Express and am not having much luck.  Any ideas would be helpful.

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Andreas Jaehn replied on Thu, Jul 30 2009 2:05 PM

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Although this will come a little late for rasimmer, I'd like to point out three main aspects when using MFCOM through ASP.NET (on W2K3 systems):

1. Host your ASP.NET application in an IIS application pool that is running in the context of a service domain account (you need to add this account to the IIS WPG group, too)
   
2. On the Citrix server, respectively the Data Collector which you want to access through MFCOM DCOM, add this domain account to the servers DCOM users group. Note: this is sufficient for the DCOM access, usually there's no need to modify the settings in the machine's DCOMCNFG
3. Within the Citrix farm make sure to add the domain account to the administrators and grant read/write access to the objects that you want to use

That's all...