Configuring ISA Server 2004 for Outlook 2003 RPC over HTTP client access to Enterprise Vault

Microsoft ISA Server 2004 can be used to secure access to Exchange Server 2003 RPC proxy servers by using Web publishing rules (reverse proxy), to make the RPC proxy servers available on the Internet.

To configure the ISA 2004, you need to perform the following tasks:

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Configuring an RPC firewall policy

Configuring an Enterprise Vault firewall policy