Upgrading from vSphere 4.0 to vSphere 4.1 update 2

This weekend I decided to take the plunge and upgrade my vSphere 4.0 servers to vSphere 4.1 update 2. The upgrades went amazingly well, and I was amazed at just how easy it is to upgrade a cluster with VMWare update manager. The upgrade process took about 30-minutes per host, and I used the following two resources to guide me through the upgrade:

1. VMGuru’s vSphere 4.0 upgrade procedure.

2.VMWare KB article 1022140 which includes a video of the upgrade.

It’s amazing how big VMWare is getting. It seems like just yesterday I was running their desktop virtualization product, and people who didn’t have an extensive IT background would mumble “Virtual what?” Oh how times have changed.

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