If you are thinking about trying out dynamic memory in the Windows Server 2008 R2 SP1 beta release – here are some handy resources to read before you get going:
Dynamic Memory Technical Overview whitepaper
This paper talks about what dynamic memory is, what it does and how it does it. It is a good read for those curious to understand what is happening under the covers.
Hyper-V Dynamic Memory Evaluation Guide
This article steps you through the process of setting up SP1 and enabling dynamic memory. It also gives you some good tips on configuration and troubleshooting.
Windows Server 2008 R2 Service Pack 1 – TechNet Center
For all things “Windows Server 2008 R2 Service Pack 1” related – the TechNet Center has you covered.
Hyper-V: Dynamic Memory Survival Guide
The TechNet Wiki also has a “Dynamic Memory Survival Guide” article with some extra links.