# Installation Guide

### TCP/IP connections

EMSRV uses TCP/IP for its client/server network connections. The default limit for client connections to a server is 512. The default limit for client connections can be changed by using the `-M` command line option when starting EMSRV. Theoretically, the number is bounded primarily by memory, but testing has shown that some TCP/IP stacks will run out of stream sockets before this limit of memory is reached. Typically, this number is greater than one hundred but it varies with each stack.

The default port number for the EMSRV server and client connections is 4800. This can be changed by using a command line parameter when starting EMSRV, when running EMADMIN, and when connecting from the development client to EMSRV.

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