Log on to Forefront TMG server as an administrator. Start menu>All Program>Click Forefront TMG management>Expand Forefront Server>Right Click on Firewall Policy>Click New>Click Exchange Web Client Publishing Rule>Type Rule Name>Click Next>Select Exchange 2010 from Exchange version>check Outlook Anywhere and Publish additional folders on the exchange server for outlook 2007 clients. Click Next. Now follow the screen shots for rest of the configuration.
Once you click finish then apply changes.
Relevant Articles:
Understanding Outlook Anywhere
Forefront TMG 2010: Publishing Exchange server 2010
Forefront TMG 2010: Publish Outlook Web Access and Exchange Servers using Forefront TMG 2010
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I am currently working as a Senior Systems Engineer-Wintel in Fujitsu Australia based in Perth WA. I have been working on ICT field since 1999 specializing in Microsoft Windows Server, Microsoft Active Directory Infrastructure, Microsoft Messaging & Collaboration Technologies, Microsoft ISA, Microsoft Forefront Technologies and System Centre Configuration Manager (SCCM), Hyper-v and VMware vSphere.
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