I have just purchased an Apple Airport Express 802.11n for the purpose of playing music from laptops (2 x windows pc's - 2 with xp, the other vista) wirelessly through my stereo system.

I have an Orcon prescribed Siemens Gigaset ADSL2 wi-fi modem which I plugged the airport unit into for setup (I intend to have it connected wirelessly to my network). However during setup - after I have entered my wireless settings I get an error 6753 message. This also disconnects the laptop from the internet - but not the modem. I then have to reset the modem before I can reconnect to the internet.

Any help is much appreciated.