6.5.1

Table Of Contents
Figure 13. Example of Two vCenter Server Instances with a Common External
Platform Services Controller
Installing vCenter Server with an external Platform Services Controller has the following advantages:
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Fewer resources consumed by the shared services in the Platform Services Controller instances.
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The model is suitable for large-scale environments.
Installing vCenter Server with an external Platform Services Controller has the following disadvantages:
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The connection between vCenter Server and Platform Services Controller might have connectivity
and name resolution issues.
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If you install vCenter Server on Windows virtual machines or physical servers, you need more
Microsoft Windows licenses.
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You must manage more virtual machines or physical servers.
For information about the Platform Services Controller and vCenter Server maximums, see the
Configuration Maximums documentation.
For information about the deployment topologies and Platform Services Controller high availability, see
Deployment Topologies with External Platform Services Controller Instances and High Availability.
For information about configuring the vCenter Server Appliance with an external
Platform Services Controller in vCenter High Availability configuration, see vSphere Availability.
Mixed Operating Systems Environment
A vCenter Server instance installed on Windows can be registered with either a
Platform Services Controller installed on Windows or a Platform Services Controller appliance. A
vCenter Server Appliance can be registered with either a Platform Services Controller installed on
Windows or a Platform Services Controller appliance. Both vCenter Server and the
vCenter Server Appliance can be registered with the same Platform Services Controller.
vSphere Installation and Setup
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