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Uncle Peter · 12-09-2007, 03:36

This usually happens when the target computer cannot be found on the network and/or is not listening for messenger traffic.

The obvious one: check that both machines have the Windows messenger service enabled

If you are running third party firewalls then check that they are not blocking ports 135, 1026-1029 for Messenger and 137-139 for Netbios (this may also be presented as an option to block windows file&printer sharing)

You can check which computers you may send a message to by typing the NET NAME command in the dos prompt

12-09-2007, 03:36	#2
Uncle Peter 81-82-83-84 Join Date: Nov 2006 Location: on holiday by mistake Age: 55 Services: Vivid 200, Full House, V6 x2 Posts: 5,977	Re: NetSend This usually happens when the target computer cannot be found on the network and/or is not listening for messenger traffic. The obvious one: check that both machines have the Windows messenger service enabled If you are running third party firewalls then check that they are not blocking ports 135, 1026-1029 for Messenger and 137-139 for Netbios (this may also be presented as an option to block windows file&printer sharing) You can check which computers you may send a message to by typing the NET NAME command in the dos prompt