Upgrade options for vCenter Server on Windows depend on your existing deployment and version.

The vCenter Server for Windows upgrade process includes:

  1. Export of the vCenter Server 5.x configuration

  2. Uninstallation of the vCenter Server 5.x configuration

  3. Installation of vCenter Server 6.0

  4. Migration and configuration of vCenter Server 5.x services and data to the vCenter Server 6.0 deployment

The upgrade outcome depends on your current deployment:

  • When upgrading from a vCenter Server 5.0 deployment, you can configure either an embedded or an external Platform Services Controller instance during the upgrade.

  • When upgrading from a vCenter Server version 5.1 or version 5.5 deployment with services deployed on a single virtual machine (VM) or physical server, the software upgrades the deployment to vCenter Server with an embedded Platform Services Controller.

  • When upgrading from a vCenter Server version 5.1 or version 5.5 deployment with vCenter Single Sign-On deployed on a different VM or physical server than vCenter Server, the software upgrades the deployment to vCenter Server with an external Platform Services Controller.

  • When upgrading multiple instances of vCenter Server, you must upgrade sequentially and upgrade order matters. See Mixed-Version Transitional Environments During vCenter Server Upgrades

Figure 1. vCenter Server 5.0 for Windows Upgrade Workflow


vCenter Server for Windows 5.0 upgrade workflow


Figure 2. vCenter Server 5.1 or 5.5 for Windows Upgrade Workflow


vCenter Server 5.1 or 5.5 for Windows upgrade workflow


You cannot uninstall or reinstall individual services during the upgrade process. For example, Inventory Service can no longer be deployed separately. It is part of the vCenter Server group of services for vCenter Server 6.0.

Note:

You cannot change the vCenter Server deployment model during upgrade. For example, you cannot change from vCenter Server with an embedded Platform Services Controller instance to vCenter Server with an external Platform Services Controller instance or the reverse.