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Editorial Team
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Asked: 2026-05-19T06:26:17+00:00

According to this article: http://msdn.microsoft.com/en-us/library/ms809975.aspx you can export a component in a service. But

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According to this article:
http://msdn.microsoft.com/en-us/library/ms809975.aspx
you can export a component in a service.

But is it possible to create several services that export different instance of the same component?

I see one potential issue is when defining the \HKEY_CLASSES_ROOT\AppID\\LocalService, since each service have different name I can’t have them all in the same key.

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1 Answer

  1. Editorial Team

    It is quite explicitly mentioned in the linked article:

    Do not use REGCLS_SINGLEUSE.
    Registration fails if you use this
    flag. The operating system allows a
    single instance of a service. For this
    reason, the COM component must be
    available to multiple clients
    simultaneously.

    You have to use a regular out-of-process server if you want multiple instances of it.

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