AB7646-F - Can't Create Transport Path

Hi
I am trying to configure an Anybus gateway between a Siemens Profibu CPU and a Siemens Profinet CPU.
I have used the configuration manager and downloaded the network info to the device.
When I try and download to the Profibus setup through the nettool I have the message ‘Cannot Create Transport Path’
I uninstalled nettool and downloaded the lates version, I am using an RS232 lead and connected directly into the configurator connector and also downloaded the latest version of the transport manager.
I am using COM-Transport Provider.

Many Thanks
Jack

You might need a null modem or null modem cable for the configuration connection.