In Windows Server 2008 R2, Hyper-V can support up to 384 virtual machines (VMs) as long as the number of virtual processors assigned to those VMs do not exceed 512. These numbers change a bit if you are running Hyper-V in a Failover Cluster. You can only support 64 VMs per node of the cluster. Since all business critical applications and services need to have a fault-tolerant solution, you will more than likely be running your VMs on a Failover Cluster. So, for the production environment, I would say 64 VMs is the limit.
As I'm writing this article, I'm also writing a customization for a PowerShell course I'm teaching next week in Phoenix. This customization deals with Group Policy and PowerShell. For those of you who attend my classes may already know this, but I sit their and try to ask the questions to myself that others may ask as I present the material. I finished up my customization a few hours ago and then I realized that I did not add in how to put a comment on a GPO. This is a feature that many Group Policy Administrators may not be aware of. This past summer I attended a presentation at TechEd on Group Policy. One organization in the crowd had over 5,000 Group Policies. In an environment like that, the comment section can be priceless. I always like to write in the comment section why I created the policy so I know its purpose next week after I've completed 50 other tasks and can't remember what I did 5 minutes ago. In the Group Policy module for PowerShell V3, th
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http://hyper-v.nu/blogs/hans/?p=246
Hans Vredevoort
Cluster MVP