Important When upgrading from vCenter Server 5.1.0b to vCenter Server 5.1 Update 1 for non-English locales, the installation of vCenter Single Sign On must be performed through the command line.

vCenter Server 5.1 cannot manage ESX 2.x or 3.x hosts.

vCenter Server 5.1 Update 1 can manage ESXi 5.x hosts in the same cluster with ESX/ESXi 4.x hosts.

See the version 5.0 vSphere Upgrade documentation. After this migration upgrade, customers can perform an in-place upgrade from version 5.0 to version 5.1.x.

Customers with VirtualCenter 2.5 update 6 and later with 32-bit operating system will be required to perform a migration upgrade to vCenter Server 5.0 as the first step in the upgrade process due to the 32bit/64bit differences.

You cannot upgrade an instance of vCenter Server 4.x that is running on Windows XP Professional 圆4 Edition.

You can perform in-place upgrades on 64-bit systems from vCenter Server 4.x, vCenter Server 5.0, vCenter Server 5.1, vCenter Server 5.1.0a and vCenter Server 5.1.0b to vCenter Server 5.1 Update 1.

VSphere 5.1 Update 1 supports the following upgrade scenarios.

Under Settings select ‘Use CDROM Updates’.

Mount disk image to vCenter appliance VM.Alternatively download the updater disk image for build 1065184.

Repeat on each VM with a vCenter 5.1 component.

Select individual installer for components installed to upgrade to Update 1.

Run individual Installer for vSphere Web Client to upgrade web clientĭistributed vCenter Server (Multiple VMs and/or SSO HA configurations).

Installer will detect SSO, IS and vCenter and upgrade binaries to Update 1.

Resolved Issues – This release delivers a number of bug fixes that have been documented in the Resolved Issues section.Ĭlick to review the complete VMware vSphere 5.1 Update 1 release notes.

With vSphere 5.1 Update 1, the Essentials and Essentials Plus licenses no longer restrict virtual machine power-on operations when the vRAM usage limit of 192 GB is met.

vCenter Essentials no longer enforces vRAM usage limit of 192 GB.

Additional Guest Operating System Customization Support –vCenter Server now supports customization of the following guest operating systems:.

Additional vCenter Server Database Support: vCenter Server now supports the following databases.

vCenter Server is now supported on Windows Server 2012.

This release of VMware vCenter Server 5.1 Update 1 offers the following improvements: VCenter Server Appliance 5.1 Update 1 | Build 1065184 VCenter Server 5.1 Update 1 | Build 1064983 There have been some rumors but I can now officially share the update release 1 for vSphere vCenter Server 5.1.

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