In Part I of this article, we started with some points one should think about while preparing for the upgrade of a Virtual Infrastructure 3.5 environment to vSphere 4.  In this part, we'll go through the process of upgrading the VirtualCenter server to vCenter 4 Update 1. vCenter Install: Create a VM for the new vCenter server.  Suggested spec (varies according to requirements): 2048 MB [...]

These days, I am upgrading our VI 3.5 environment to vSphere 4.  Good thing is that there is a lot of information available in form of books and articles on the web for the different scenarios in which you can upgrade.  Two of my favourite books on the subject are: Mastering VMware VSphere 4 by Scott Lowe VMware vSphere [...]