Release: VMware vSphere 4.0 Update 1

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During the weekend VMware released the first Update pack for its vSphere platform.

Update 1 (build 208156) is extremely important as it introduces support for the just released View 4.0.
It also introduces support for:

  • up to 160 virtual machines per host (only in HA clusters with 8 hosts or less)
  • Windows 7 and Windows Server 2008 R2 (both 32/64bit) as guest OSes (and as platform for the vSphere Client)
  • IBM DB2 as backend database for vCenter Server 4.0

The Update 1 also introduces a new Pre-Upgrade Checker Tool, which can be executed on the ESX hosts to find out issues that may prevent the upgrade.