After the vSphere 5.1 announcement VMware also released a new update on vSphere ESXi 4.1, ESX 4.1 and vCenter Server 4.1.
- Support for additional guest operating systems: This release updates support for many guest operating systems.
- Resolved Issues: This release also delivers a number of bug fixes
- Updated VMware tools: Update 3 contains the latest version of VMware Tools
- Updated vSphere client: Update 3 contains the latest version of the vSphere Client
Supported Upgrade Paths for Host Upgrade to ESXi 4.1 Update 3:
Supported Upgrade Paths for Host Upgrade to ESX 4.1 Update 3:
For more information I suggest reading the release notes:
- VMware ESXi 4.1 Update 3 Release Notes
- VMware ESX 4.1 Update 3 Release Notes
- VMware vCenter Server 4.1 Update 3 Release Notes