HT1483: Updating iPodLearn about Updating iPod
Currently Being ModeratedNov 21, 2012 7:18 AM (in response to mutro)
Does your iPod have the same name as your iPhone 4S under Devices in the left hand pane of iTunes? If so, give it a unique name by double clicking its current name under Devices and typing a new one.
Otherwise, reboot the Mac and the iPod and reconnect them.