The upgrade to vCenter Server 5.0.x affects other software components of your datacenter.

Upgrading vCenter Server Components summarizes the effect on your datacenter components.

Upgrading vCenter Server Components

Product

Component

Description

vCenter Server, vSphere Client, and vSphere Web Client

VI Client 1.x

Not supported.

VirtualCenter Server 1.x

Not supported.

VirtualCenter Server 2.0

Not supported.

VirtualCenter Server 2.5

Not supported.

VirtualCenter Server 2.5 Update 6

Upgrade by using the data migration tool to upgrade to vCenter Server 5.0.x on a different machine. Alternatively, if the VirtualCenter database is on a remote machine, you can simply upgrade the database.

vCenter Server 4.0

Upgrade in place if it is installed on a 64-bit system. If it is installed on a 32-bit system, upgrade by using the data migration tool to upgrade to vCenter Server 5.0.x on a different machine.

vSphere Client 4.0

Not supported.

vCenter Server 4.1

In place upgrade.

vSphere Client 4.1

Not supported.

vCenter Server 5.0

Upgrade to vCenter Server 5.0.x.

vCenter Client 5.0

Upgrade to vCenter Client 5.0.x.

vSphere Web Client 5.0

Upgrade to vSphere Web Client 5.0.x.

IBM DB2 database

Verify that your database is supported. Upgrade if necessary.

Oracle database

Verify that your database is supported. Upgrade if necessary.

Oracle 9i is no longer supported.

SQL database

Verify that your database is supported. Upgrade if necessary.

Microsoft SQL Server 2000 is no longer supported.

Microsoft SQL Server 2008 Express is supported in vCenter Server 5.0.x

Linked Mode

You cannot join a vCenter Server to a Linked Mode group during the upgrade procedure. Join after the upgrade to vCenter Server is complete.

If you are upgrading a version 5.0 vCenter Server that is part of a Linked Mode group, it will not be removed from the group. If you are upgrading a pre-5.0 vCenter Server that is part of a Linked Mode group, it will be removed from the group. vCenter Server does not support Linked Mode groups that contain both version 5.0.x and pre-5.0 versions of vCenter Server. After all vCenter Servers in the group are upgraded to version 5.0.x, you can rejoin them.

License server

License server

To manage ESX 3.5x/ESXi 3.5 hosts, verify that the vCenter Server system is configured to use a license server. Install a license server if necessary.

ESX and ESXi

ESX 2.5 host

Not supported with vCenter Server 5.0.x

VMFS2 volumes

Supported as read-only (deprecated).

VM2 virtual machines

Upgrade (optional).

VMDK2 virtual disk

Not supported with vCenter Server 5.0.x

ESX MUI

No change.

VMware Tools

Upgrade (optional).

ESX/ESXi 3.5 host

Upgrade to ESXi 5.0.x (optional).

ESX/ESXi 4.0 host

Upgrade to ESXi 5.0.x (optional)

ESX/ESXi 4.1 host

Update to 4.1 Update 1 or later before upgrading vCenter Server to version 5.0 (required). Upgrade to ESXi 5.0.x (optional).

ESXi 5.0 host

Upgrade to ESXi 5.0.x (optional).

VMFS3 volumes

No change.

VM3 virtual machines

Upgrade (optional).

VMDK3 virtual disk

Not supported with vCenter Server 5.0.