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Hot add memory and cpu Windows

Hi,

Please advise on best practises hot add memory/cpu.
It is possible to use as from server enterprise versions, right (Windows 2003/2008 ENTERPRISE).?

My questions:
*Is my assumptions right?
*is it recommended or can it impact stability?
*What if you change the version of your Windows in the vm properties (Windows enterprise) even if the vm is not enterprise?

J.
0
janhoedt
Asked:
janhoedt
1 Solution
 
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
2003 does not support hot add CPU (2003 Enterprise Hot Add memory - yes)

Only 2008 Standard and Enterprise (64 bit) and later supports Hot Add CPU and Hot Add Memory.

It's perfectly stable once, the options have been changed to Enabled in the VM.

see the tables here for details...

http://www.boche.net/blog/index.php/2009/05/10/vsphere-memory-hot-add-cpu-hot-plug/

http://www.simonlong.co.uk/blog/2009/12/09/vmware-hot-add-memory-cpu-support/

http://www.petri.co.il/vsphere-hot-add-memory-and-cpu.htm

You need to have 2008 Standard or Enterprise INSTALLED as the OS, changing the template options, has no effect.
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