It might be one of the following issues:
1) Different subnets
2) The remote machine doesn't reply the ArtNet poll request
3) Local machine configuration issue.
4) EMU bug
5) Etc.
Even if EMU doesn't see your unicast device you can just use broadcast to your network - that should work for sure.
Mike Johns
it isnt seeing the correct ip, even after rescan, i have the artnet to dmx working and MA3d working but they see the correct computer ip. please help is there a way to manually config ip