IP addresses, subnet masks, iOS version, . . . maybe even the network card firmware . . . or resetting the device network settings . . . it is sometimes small details that make the difference. We don't know all this, and are only guessing.zengel wrote: What else
Many people and myself have posted questions and (sometimes months later) solutions to that matter, in the Neyrinck forum, TouchOSC forum, KP forum, Apple forum, other places, here. I really recommend to spend an evening with investigation, it's worth it to professionally use your iPad.
Man, I was mad when something didn't work! I fully understand your frustration. But it leads to nowhere, obviously. One needs to get the head together and really want a solution. Then one will find it, I guarantee.