Today we are announcing an exciting change in our licensing policy regarding Windows Server 2008 CALs to better support clients looking to take advantage of the Windows Server 2008 Hyper-V technology to host a Windows Server 2003 environment.
Why? Simple… A number of trends, including consolidation and high availability, are driving more deployments and evaluations of Hyper-V. Based on feedback from our customers, we are updating our licensing policies to address these new scenarios enabled by virtualization.
Prior to this change, if your physical server environment was running Windows Server 2003, you need matching version CALs for all users (i.e. Windows Server 2003 CALs). However, if you move your physical Windows Server 2003 Operating System Environments (OSE) to run as virtual machines hosted by Windows Server 2008 Hyper-V, Windows Server 2008 CALs are required. This is per the current use rights. With this change in our licensing policy that we are announcing today, Windows Server 2008 CALs are no longer required if you are using Windows Server 2008 solely as a virtualization host. The only exception to this is if you are running Windows Server 2008 virtual machines, which would require Windows Server 2008 CALs.
With the change, no Windows Server 2008 CALs are required if Windows Server 2008 is being used only to:
To help demonstrate the effect of the licensing change, I have included three scenarios below and the resulting requirements:
Here is one question I wanted to be sure and answer for you up front, since I anticipate it might come up:
If you would like more in depth information on this change, please read the updated Volume Licensing Brief that we are posting on this.
Thank you and have a wonderful day,
Eric Ligman Global Partner Experience Lead Microsoft Worldwide Partner Group This posting is provided "AS IS" with no warranties, and confers no rights
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