On my companies' network I am beginning to replace old NT Workstations with XP Pro PCs. I am having a problem with a particular PC I recently built up with XP which will not accept nor send net send messages from/to NT machines on the network. For example when typing net send pc35 test I get a responce "An error occured while sending a message to pc35. The Message alias could not be found on the network". Ironically I can send as well as receive net sends from other XP/2k boxes after some hesitation. I had thought that by changing the name of the PC in question would correct the problem however that did not work. Help would be greatly appreciated.