ESX Convertor (Windows 7) - The session is not authenticated

When trying to authenticate, and convert machines within your VMware convertor you recieve the following error :

     The session is not authenticated


  1. Close VMware Convertor
  2. Goto 'Start / Run' and type services.msc.
  3. Restart the services VMware vCenter Converter Agent and VMware vCenter Converter Server
  4. Relaunch VMware Convertor.

Still have Issues ?

If this has still not resolved you issue you may want to look here :

About the Author


R Donato

Rick Donato is the Founder and Chief Editor of He currently works as an SDN/NFV Solutions Architect and has a keen interest in automation and the cloud.

You can find Rick on Twitter @f3lix001