I have been working on an asp.net web application that calls a third party COM application through createObject method. The application works fine (gets initialized) in Win XP but I am having problems getting it to work in WIndows 2003. I get the "Cannot create ActiveX component" error.
The website works fine in visual studio - the application launches fine. The references added were the interop assemblies which were packed inside a tlb file.
I am aware of the change in default user - ASPNET for iis 5 and Network Service for IIS 6.0. Also I have changed the default permission levels in DCOM config for not just this COM application but all the COM applications by changing the default COM security properties of the computer. I gave almost every user the permissionto launch and access remotely including Network service and everyone.
The other thing I have done was to test it out in IIS 5.0 isolation mode but couldn't get the application work - stil ...
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