VMware vCenter Simulator

Contributor(s): Tom Walat

VMware vCenter Simulator (VCSIM) is an unsupported tool from VMware that is included with the vCenter Server Appliance (vCSA) and is used to simulate changes in a vSphere environment for testing and development purposes.

With VCSIM, the user can modify vSphere inventory to simulate a large number of virtual machines, ESXi hosts, and change the data store configuration.

To access VCSIM, the user needs to deploy vCSA, then use a SSH client to connect to vCSA or use the Virtual Appliance Management Infrastructure interface.

VMware introduced VCSIM in vCSA 5.1.

This was last updated in September 2014

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Do you have similar tools to the VMware vCenter Simulator you use to test in your vSphere environment?


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