Xerox Remote Services datacenter connection issues

Hello all,

We have 2 devices, a Alta Link C8070 and a workcentre 5890, both are networked and we can print to them and use network sevices with them.

The issue we are having with them are that we keep getting the error message "Machine is unable to contact the Xerox Remote Services datacenter" I can only assume that is cause by the firewall blocking the connection, unfortunatly over a few months of trying i have been unable to get any information on what ports / protocalls need to be open / active on my firewall to allow this to connect.

Please could someone advise.

I did not find the right solution from the internet.

References:-

http://forum.support.xerox.com/t5/General-Information/Xerox-Remote

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Thanks