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Enable VMWARE Fault Tolerance (FT) in a Nested ESXi environment

Assuming here that your ESXi environment is already nested and configured appropriately.

Power Off the guest ooerating system you want to enable FT for

Disconnect the CD / DVD (or select client devic eoption)

GO to options tab and sele the Advanced / General Button

ON right hand side click configuration parameters button

Add 3 ROWs

Name: replay.allowFT Value: true

Name: replay.supported Value: true

Name: replay.allowBTOnly Value: true


Other Info:

You ned VT-X as a feature of you rphysical CPU adn this needs to be passed through to your Nested ESXI host.

http://www.virtuallyghetto.com/2012/08/how-to-enable-nested-esxi-other.html < See this blog for more details.

It matters greatly if you are using ESXi 5.0 or 5.1