I just got my vCenter upgraded to 2.5 Update 4 this week, and I am enjoying the new features from the performance overview tab in vCenter. I found the history performance data for the ESX and VM guests is missing and not available from the performance view tab anymore.

I tried to search around the knowledge base and VMware communities forum to look for the solution and I found the some useful information here.

VMware Communities
KB from VMware
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