Exchange:
Exchange Standby Clusters are now supported – This is HUGE!!!!
http://blogs.technet.com/evand/archive/2005/10/07/412175.aspx – http://www.microsoft.com/technet/prodtechnol/exchange/guides/DROpsGuide/2493c2d6-618c-4c49-9cb1-fff556926707.mspx (How to Move All Exchange Virtual Servers from a Production Exchange 2003 Cluster to a Standby Exchange 2003 Cluster)
Vulnerabilities in MSDTC and COM+ Could Allow Remote Code Execution (902400) – Nasty little bugger.
http://www.microsoft.com/technet/security/Bulletin/MS05-051.mspx
Best Practices for Using Volume Shadow Copy Service with Exchange Server 2003 – Nice
http://www.microsoft.com/technet/prodtechnol/exchange/2003/vssbp.mspx
Using Microsoft Office Outlook Live – Interesting stuff.
http://www.msexchange.org/articles/Using-Microsoft-Office-Outlook-Live.html
Security:
Windows exploit code raises worm alarm – Here we go again – See MSDTC/COM+ download above J