Consolidation
Mixed Workload Consolidation Guide
https://www.microsoft.com/downloads/details.aspx?FamilyId=0F70695E-5D0B-4781-8966-84BE43216F9E&displaylang=en
Solution Accelerator for Consolidating and Migrating LOB Applications
https://www.microsoft.com/technet/itsolutions/ucs/lob/lobsa/lobsaovw.mspx
“How to” upgrade guides, from NT4, 2000, UNIX etc.
https://www.microsoft.com/windowsserver2003/upgrading/default.mspx
DSI (Dynamic Systems Initiative)
https://www.microsoft.com/windowsserversystem/dsi/default.mspx