Administration Guide

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Microsoft Exchange connection types and port numbers

Item

Connection type

Default port number

UI where you can configure the connection

RPC endpoint mapper

TCP

135

For more information, visit support.microsoft.com to read article 270836.

Microsoft® Exchange System Attendant service

TCP

For more information, visit support.microsoft.com to read article 270836.

NSPI service

TCP

For more information, visit support.microsoft.com to read article 270836.

Microsoft Exchange Information Store service

TCP

For more information, visit support.microsoft.com to read article 270836.


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