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cannot launch Visio 2010 application from Sharepoint 2010 featureactivated code

Posted By:      Posted Date: October 18, 2010    Points: 0   Category :SharePoint
 
Dear members ! Require Your Assistance whith following issue :
I am developing Sharepoint feature which should launch Visio 2010 application.
Sharepoint is 2010 , OS is Windows 2008 R2

this line of code
app = new Application(); raise error
 
System.UnauthorizedAccessException
{"Retrieving the COM class factory for component with CLSID {00021A20-0000-0000-C000-000000000046} failed due to the following error: 80070005."}
 
So it is security problem . I was trying add rights for this COM object to Sharepoint account NetworkService (this recipe is providing by lot of forums), to  Users , Authenticate users even for Everyone
using dcomconfig.exe utility but without Success.
 
Right now I temporary change user account control settings in control panel so everything is ok but it is not a solution

Thks for you help

sergey


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