- Support for hosts with 6TB of RAM – vSphere 5.5 Update 2 starts to support hosts with 6TB of RAM.
- VMware vShield Endpoint Thin Agent as VMware Tools Guest Introspection plugin – The vShield Endpoint driver bundled with VMware Tools is now called Guest Introspection.
- vCenter Server database support: vCenter Server now supports the following external databases: Oracle 12c, Microsoft SQL Server 2012 Service Pack 1and Microsoft SQL Server 2014
- vCloud Hybrid Service: The vCloud Hybrid Service (vCHS) introduces a new container, Hybrid Cloud Service, on the vSphere Web Client home page. The Hybrid Cloud Service container contains the vCHS installer and the new vCloud Connector installer