I am researching Zimbra and have not yet attempted to use/install it. When reading the general documentation on Zimbra, it appears that there is some sort of reliance on vSphere/vCenter to Zimbra virtual appliance. But looking thru the install guides I did not see where Zimbra appliance was asking for vCenter ID/password or other vCenter configuration steps. Can someone answer the question about the actual requirements between Zimbra and VMware vCenter?

Many thanks.