Incoming Connection using a dialup Modem

I am trying to enable a new Incoming Connection but get a message saying "Incoming connections depend on the Routing and Remote Access service, which was unable to start".

I have a standard 56K modem installed, using a telephone line.

The computer is a stand alone system, running a local application where Internet access is not required.

I do however need to access the PC from time to time and dialup is the only option.

Is there a work around as it appears that Windows 7 needs to identify a Netork befor starting the Routing and Remote Access service?

“ALLOW REMOTE DESKTOP CONNECTIONS to this Computer” is enabled but makes no difference.