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Asked: 2026-05-11T19:40:51+00:00

I have a considerably large application that uses MSDTC. How many ports should I

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I have a considerably large application that uses MSDTC. How many ports should I open? Is there any way to determine it?

EDIT: I know what ports I need to open, I don’t know how many I need.

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  1. Editorial Team

    I think Migol wants to know how big the range of the RPC dynamic port allocation should be.

    In the KB they mention a minimum of 100 ports

    Furthermore, previous experience shows
    that a minimum of 100 ports should be
    opened, because several system
    services rely on these RPC ports to
    communicate with each other.

    So I would design a benchmark application to test different values of your dynamic range.

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