One of clients has an exchange server on the private LAN, my company installed a Proxy on a different domain connect to the Internet. We followed all the steps outlined for using Server Proxing and Exchange (i.e. modifying wspcfg.ini). The problemis that the IMC service will not start. We get event codes: 4020 and 4007. Read KB Article Q222553 but no help. How does find out what ports are being used by what services/applications. Or does anyone have anymore pointers on Server Proxing Exchange.
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