As of VMware VirtualCenter 2.5 Update 1, ESX Server 3i systems can only be added to an HA cluster if the system has swap enabled.
This article applies to:
- VMware ESXi 3.5.x Embedded
- VMware ESXi 3.5.x Installable
- VMware VirtualCenter 2.5.x
ESX 3i Servers with swap not enabled will show the following message(s):
An error occured during configuration of the HA agent of the host.
HA Agent has an error : Host in HA cluster must have userworld swap enabled.
To enable swap on the ESX 3i Server: