Additionally, it's not working when I try it in a Terminal Services session.

>Whether this does not do it?
>net send _user _message
>
>>Hi All
>>
>>I'm using a function written by Christof Lange in Nov. 2001 FoxPro Advisor, it allows broadcasting messages using the mailslot\messngr, it looks like that the NET SEND command uses the same mechanism and it works very well.
>>The inner working is explained too in the fox wiki, search for "AfasterwaytoNETSEND"
>>
>>My problem is, I want to send a message to just one user and the actual implementation sends it to all users in the target machine, as some of our customers use Terminal Services, all of them are receiving the broadcast.
>>
>>Somebody knows how to broadcast a message to just one user in a given machine?
>>
>>Thanks in advance,