Friday, September 17, 2010

Dynamic Memory and Hyper-V Host memoryreserve Registry key

Continuing our discussion on Dynamic memory I will like to talk about Hyper-V memoryreserve option and as i mentioned about it in my Dynamic Memory and Trusted Task manager counters article, this registry key is suggested primarily where you are running more roles in parent partition [other than Hyper-V and failover clustering] against the recommended best practices. Ben Armstrong, Virtualization Program Manager spoke about same in his blog here. The only thing which i wanted to add was that there is a max limit on this registry key as per my testing and the screenshot below speaks all.

So the max value for this reg key is 4 Gb irrespective of what you specify in registry key. Hope this helps.


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