Re: Access denied while trying QI on a DCOM object

From: Craig Lee (craig.lee_at_noetix.com)
Date: 02/28/04

  • Next message: Alek Davis: "Re: DPAPI in a Load Balanced Environment" 
    Date: Fri, 27 Feb 2004 17:37:37 -0800

    I think that I figured it out with the help of a good Google hit (thank
    goodness for Google). I was code that was setting the SecurityBlanket on
    the interfaces but I wasn't setting it on the IUnknown interface. Thus,
    when I did a QI against the first interface, I got an Access Denied error.

    cl.

    "Craig Lee" <craig.lee@noetix.com> wrote in message
    news:O$aKYKZ$DHA.3352@TK2MSFTNGP09.phx.gbl...
    > We have a Web Service written in C# that accesses an ATL service via DCOM.
    > This all works great when both are on the same machine.
    >
    > When I move to a two server scenario, I get an Access Denied error.
    >
    > What is interesting is that I am able to get the Class Factory and then
    > create an instance of a COM interface. But I get the Access Denied error
    > when I then try and QueryInterface to another interface.
    >
    > This all worked great under .NET 1.0. Has something changed in 1.1?
    >
    > Thanks,
    >
    > cl.
    >
    >

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