Every now and then something actually useful lands in my Inbox and my thanks goes to MarkS in the UK GTSC for sending this on. I think it explains itself :)

Hot-Fixes

Grab the security hot-fixes for the operating system from http://www.microsoft.com/technet/security/current.aspx.

• http://support.microsoft.com/?id=931836 (2007 DST Update)

Exchange 2007 Requirements

If you are going to install Exchange 2007, you will also need these fixes:

• http://www.microsoft.com/downloads/details.aspx?FamilyID=b44a0000-acf8-4fa1-affb-40e78d788b00&DisplayLang=en (.NET FW 2.0)
• http://support.microsoft.com/?id=907265 (MMC 3.0)
• http://go.microsoft.com/fwlink/?linkid=74465 (.NET FW 2.0 Fix)
• http://support.microsoft.com/?id=926139 (Powershell 1.0)

If the Operating System is Windows Server 2003 SP1:

• http://support.microsoft.com/?id=904639 (MDAC Fix)
• http://support.microsoft.com/?id=918980 (MDAC Fix)
• http://support.microsoft.com/?id=921181 (File Share Witness)
• http://support.microsoft.com/default.aspx?scid=kb;EN-US;919166 (Address Book fix)

In addition, if you are going to install Exchange 2007 Unified Messaging role, you will also need these fixes:

• http://www.microsoft.com/downloads/details.aspx?FamilyID=993c0bcf-3bcf-4009-be21-27e85e1857b1&DisplayLang=en (XML 6.0 Core Services)
• http://www.microsoft.com/downloads/details.aspx?familyid=CC41218D-7E37-4546-BF0B-1276959EE3EF&displaylang=en (WM9 Series Encoder)
• http://support.microsoft.com/?kbid=917312 (WM9 Voice Codec Fix)

In addition, if you are going to install Exchange 2007 Edge Transport role, you will need:

• http://www.microsoft.com/downloads/details.aspx?FamilyID=9688f8b9-1034-4ef6-a3e5-2a2a57b5c8e4&DisplayLang=en (ADAM SP1)

SP1 Hot-Fixes

If still using Windows Server 2003 SP1, then install these hot-fixes.

Grab the security hot-fixes for the operating system from http://www.microsoft.com/technet/security/current.aspx.

Install the cluster-specific Post-SP1 hot-fixes on cluster servers - http://support.microsoft.com/?id=923830

Grab these Windows Server 2003 Post-SP1 hot-fixes:

• http://support.microsoft.com/?id=913648 (VSS Rollup)
• http://support.microsoft.com/?id=898790 (Volume Mount Point Cluster Fix)
• http://support.microsoft.com/?id=905214 (SMTPSVC Fix – for Exchange 2003)
• http://support.microsoft.com/?id=916048 (StorPort Fix)
• http://support.microsoft.com/?id=907865 (IPSec Fix)
• http://support.microsoft.com/?id=910311 (NTFS Fix)
• http://support.microsoft.com/?id=931836 (2007 DST Fix)
• http://support.microsoft.com/?id=905865 (Terminal Services Working Set Size Fix)
• http://support.microsoft.com/default.aspx?scid=kb;EN-US;918976 (Paged Pool fix)

Cluster specific fixes

• http://support.microsoft.com/default.aspx?scid=kb;EN-US;923830 (General Cluster fixes)
• http://support.microsoft.com/default.aspx?scid=kb;EN-US;930952 (Inetinfo failure on a cluster)