Cross-forest Delegation in Exchange 2007/2010

Very Good Step by step guide to enable cross-forest Delegation in Exchange 2007/2010

http://blogs.technet.com/b/neiljohn/archive/2011/10/12/exchange-server-2010-cross-forest-delegation.aspx

http://www.msexchange.org/articles-tutorials/exchange-server-2010/migration-deployment/deep-dive-into-rich-coexistence-between-exchange-forests-part1.html

How to configure LAN Card Properties on a Exchange 2010 DAG Mailbox Server

Please refer below URL to configure LAN Card Properties on a Exchange 2010 DAG Mailbox Server
http://blogs.technet.com/b/schadinio/archive/2010/12/08/exchange-2010-mailbox-dag-based-practice-network-configurations.aspx?CommentPosted=true#commentmessage

Troubleshooting OAB Download in Outlook

Very nice article of steps to troubleshoot OAB download in Outlook 2010

http://blogs.technet.com/b/rmilne/archive/2012/08/10/outlook-fails-to-download-oab.aspx