The documentation for volume activation 2.0 has been updated today for Server 2008. You can find it here: http://go.microsoft.com/fwlink/?LinkId=75674 Running KMS on Server 2008 is functionally verysimilar to running it on Vista RTM. You leverage slmgr.vbs to bringthe service online and then clients find the server based on the DNSsrv record. BTW, Server 2008 KMS can be run within a virtualenvironment.
Ifyou want to know which volume license keys to use when activating newmachines running Server 2008, see page 19 in the Planning Guide and theFAQ. You only need to put one key in your KMS, and it will handle requestsfrom both Vista and Server 2008. There are separate keys, and uniquekeys based on which version of server you need to activate. Before youget excited - this is much easier to understand than it might firstseem. Simply decide the “top” version of Server 2008 you might installand then use that MKS key to activate the service on a 2008 server. All versions in groups below that version will also activate off thatkey. The groups are simple.
DataCenter/Itanium
Enterprise/Standard
Web
Vista Ent/Bus
The groups are named “C, B, A, and Client” respectively. So if youwant to activate Server Enterprise, Standard, and client machines, justuse your B key to bring the KMS online and the work is done.
The other major change from KMS 1.0 is that in order to activateservers you only need 5 machines online, vs. 25 to activate clients. The client activation still only comes online after you have 25machines activating, but servers will begin activating after 5. The 5do not have to be all servers. I mentioned above that KMS 2008 can berun in a virtual environment, which is a change from KMS 1.0. Theclient requirements have not changed, they can be physical or virtualbut only the physical count towards your initial 5 or 25.
Just in case you missed the link above, the table listing whichversions of Windows are in each tier is up to date on this page - http://www.microsoft.com/licensing/resources/vol/ActivationFAQ/default.mspx
See - Are there any changes with Windows Server 2008 keys?
Last, there is also an MAK for Server 2008 just as there was forVista, and it works much the same way. The key tiers for MAK arerelative to the same groupings as KMS, but differently from KMS they donot support the groups under them. So you will have an MAK for Vista,and an MAK for Server Web, Server Std/Ent, and ServerDataCenter/Itanium respectively.