Did Sprint block tethering?

[tfields4800]

One of the best things to do is connect to the internet FIRST on your phone prior to using the ICS. Once the device dials up and connects to the internet you shouldn't get the error 67 message. If you can't connect to the internet at all on your phone, you might need a soft reset ... Also if you are using the new stock rom, you might want to search for the tethering hack and run it on your device. Hope this helps!