mixed esx 3.5 hosts and new esx 4.1 vsphere hosts with older vcenter. Need advise please.

[ddorbuck]

Hello, I have an existing vcenter server install managing two esx 3.5 hosts. The vcenter is version 2.5.0.x. I would like to manage my new esxi 4.1 vsphere hosts through the vcenter. I would like to verify that if I upgrade my vcenter from 2.5.0 to the latest version vcenter server required for 4.1 I will still be able to manage my older esx 3.5 hosts? Will an inplace upgrade of vcenter 2.5.0.x support keeping the licensing server in place or will I have to manually install this after? Thanks for any info. Doug Dorbuck

[weinstein5 · Accepted solution]

You can mange ESX 3.x hosts with vCenter 4.x - you CANNOT manage ESX 4.x hosts with vCenter 2.x

I believe in an place upgrade will keep the license server - if not you will have to reinstall the license server -

[ddorbuck]

weinstein5, thank you for your response. Much appreciated. Doug