SiteSurvey is no longer supported as of vSphere 5.1.

VMware SiteSurvey 2.5.3 is actually a plugin for the vSphere Client which analyzes ESX/ESXi host/s managed by vCenter Server and reports on whether the configuration of both software and hardware is suitable for use with the VMware Fault Tolerance (FT) feature.

You will notice the following message on the Main Site Survey Page.

How to Use

Run the SiteSurvey install utility

• If running, close vSphere Client
• Double click the install utility and follow the instructions

Using SiteSurvey

• After installation, restart vSphere Client and connect to a vCenter Server
• In vSphere Client, click on a cluster or host view. A SiteSurvey tab will now be present.
• Open the SiteSurvey tab and click the "Run SiteSurvey" link
• A popup window will allow you to generate a report for the current view only, or for all views. Running all views can take several minutes, depending on how large your configuration is.
• SiteSurvey will generate the report

Here is the sample of the report generated by the SiteSurvey