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A Jack of all trades is a master of integration, as such an individual who knows enough from many learned trades and skills to be able to bring their disciplines together in a practical manner, and is not a specialist but can be an expert in many fields. Such a person is known as a polymath or a renaissance man; a typical example is someone like Leonardo da Vinci.

Friday, February 26, 2010

Issues when upgrading Hyper-V server installed in Windows Server 2008 Standard to Enterprise Edition

Currently, we just purchased another 32GB for our hyper-v server. I was wondering why on earth I can't fire more VMs and hyper-v is complaining that I have insufficient memory despite I got 64 GB and the entore system is only utilizing 31GB.  Good thing that my colleage point out that hyper-v is installed in a standard edition of Windows Server 2008.  So the solution is to upgrade the OS to enterprise edition.  Sound easy, think again.  Below are some things that you should consider before upgrading:

  • Firstly, any Saved State VM’s will be incompatible with the upgrade.  To resolve this, please ensure that all VM’s are shut down (NOT Saved or Paused)
  • Secondly, Some snapshots may be incompatible after the upgrade.  To resolve this, please review any snapshots you have on VM’s and if possible remove these.
If you would like to read more about the upgrade processes , you may refer to the following KB article:

http://support.microsoft.com/kb/957256
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