Tag Archive: Agent is out of date and needs a manual upgrade

ESXi hosts disconnected in vCenter Server

While upgrading aย VMware vCenter Server to the latest release, 5.5 Update 1b which can be downloaded here, i ran into twoย issues while trying to connect the ESXi hosts when the upgrade was completed. The ESXi hosts were all disconnected after the vCenter Server upgrade. The solution/s to my problem/s are documented in different VMware knowledge …

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