[THIN] Limit to single session

I am puzzled over this one. I am trying to limit my users to a single
Terminal server session or application session. I have enabled restrict
Terminal Server Users to a Single Session under group policy and on the RDP
listener. Also, on published application I have enabled under the
properties of the published application under limits to allow only one
instance of application per user. Neither is working. Is this a problem
with session sharing or is there a fix for this?

Mike

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