Below are a few links I’ve used in looking up Exchange topics:

1. ExBPA-2013
   • http://community.office365.com/en-us/w/deploy/office-365-best-practices-analyzer-for-exchange-server-2013.aspx
2. Free-Busy and E2003
   • http://support.microsoft.com/kb/2555008
3. Configuring Exchange 2013 Edge Transport Server
   • http://jaapwesselius.com/2014/06/05/configuring-exchange-2013-edge-transport-server/
4. Exchange Server Deployment Assistant
   • https://technet.microsoft.com/en-us/exdeploy2013/Checklist?state=2419-W-AAAAAAAAQAAAAAEAAAAAAAA%7e
5. Exchange Server and Update Rollup Build Numbers
   • http://social.technet.microsoft.com/wiki/contents/articles/240.exchange-server-and-update-rollup-build-numbers.aspx
6. Remove the Last Legacy Exchange Server
   • http://social.technet.microsoft.com/wiki/contents/articles/2263.remove-the-last-legacy-exchange-server.aspx
7. TechNet Virtual Labs Exchange Server
   • http://technet.microsoft.com/en-us/exchange/bb499043.aspx
8. Tools for Exchange Server 2003-2007-2010 A Messaging – Unified Communication Portal
   • http://messagingschool.wordpress.com/2011/04/27/tools-for-exchange-server-200320072010/
9. Autodiscover.xml failed 0x800c8203
   • https://social.technet.microsoft.com/Forums/exchange/en-US/b4a50b98-4969-4ac3-a64d-8e4d433c3714/autodiscoverxml-failed-0x800c8203?forum=exchangesvrgenerallegacy