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Third Party application does work as a COM+ application

  • Article

A few months ago, I reported a problem that a customer was having with a particular 3rd party product that seemed not to work with Visual FoxPro. It was a COM object that could be instantiated via CreateObject.

I was quite surprised that Windows guru Raymond Chen (author of the great blog: The Old New Thing) posted a comment within a few hours that pinpointed the problem in the code.

I mentioned that a workaround might be to put the product into a COM+ application, and that I couldn’t test it.

I just received email confirmation from another customer who had the same problem. They put the product into a COM+ application, and it indeed worked as expected with VFP.

I know how it feels when a fairly complex scenario doesn’t work as expected, but I am able to find a simple solution and workaround.

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Comments

  • Anonymous
    April 25, 2005
    This is true in many VFP web scenarios too, although I'm not sure how related that is to this exact problem. For example, for a vfp mtdll called from ASP or ASP.NET that accesses SQL/MSDE or even networked dbfs, a COM+ application must be used to impersonate a user with the proper rights in order to work...
  • Anonymous
    June 08, 2009
    PingBack from http://insomniacuresite.info/story.php?id=6042