1. A method comprising: receiving a request, at a first computer, involving a current application session corresponding to an application running on the first computer, to cause operation of the current application session on a second computer; and responsive to the receiving of the request to cause operation of the current application session on the second computer: causing the current application session on the first computer to be disabled with respect to one or more operational parameters; and causing the current application session to be enabled on the second computer with respect to the one or more operational parameters.