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Looking for a Way to Notify Clients of Login

Looking for a way to notify users that we will be logging on to their machines to perform troubleshooting /work. Currently we VPN then RDP in and log them off mid work flow. This is in server environments. During these periods we cannot call the office as it’s during lunch and office phone goes to voicemail. Besides calling every employee’s cell phone are there any ideas? We do have OCS running but not sure if we could run that on the server and also open to other solutions. For some reason net send is not working. Thanks!
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Blue Street Tech
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Blue Street Tech
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IanThCommented:
net send doesn't work through the current default firewall

its called msg instead try that
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Blue Street TechLast KnightsAuthor Commented:
Thanks for your responses Ian!

When i use msg i get the following error:
Error opening Terminal server d2378
Error [5]:Access is denied.
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Blue Street TechLast KnightsAuthor Commented:
i got net send /domain:s1 hello to work, maybe you can help with the syntax? i can't communicate to the specific computer e.g. d2, s1 (s1 is the server). Thanks.
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IanThCommented:
how did you get  net send /domain:s1 hello net send has n't worked properly imho since xp sp3

have you tried msg

msg /server:[computername] console [your-message]

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IanThCommented:
try it with elevated priveledges thats why I think your getting error 5
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Blue Street TechLast KnightsAuthor Commented:
Will msg work with XP SP3 machines as well or will i have to use net send on those?
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IanThCommented:
I think so its missing in home only
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Blue Street TechLast KnightsAuthor Commented:
i can get this to work. the only way i can get msg to work is if i do msg * [your-message] and that only tests it/sends it to the server no other computers. they only have one win 7 box...i made a mistake and put this into the win7 catagory because we predominantly work on win7. so this envir. is sbs 2k3 and xp sp3 machines.
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Blue Street TechLast KnightsAuthor Commented:
my appologies. that is why i could get net send working (kind of) - i need help with the syntax...i feel im not getting it right.
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Blue Street TechLast KnightsAuthor Commented:
i tried with elevated on msg still did not work.
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IanThCommented:
hang on are you saying you got net send working or msg I am getting confussed
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Blue Street TechLast KnightsAuthor Commented:
net send /domain:s1 hello --works, but i can't send to specific computers or i am not getting the syntax right.

msg * hello -- works, but this exact syntax does not help me communicate with other computers either. when i tried this in elevated using your syntax (msg /server:[computername] console [your-message]) it failed. There is no error...it just provides another cmd line as if i simple hit enter.
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Blue Street TechLast KnightsAuthor Commented:
both of the above syntaxs should show the message on all computers, right? but they do not. only the server has it displayed.
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IanThCommented:
see

http://www.winsentmessenger.com/netsend/

it seems to say net send works but messager service must be started
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Blue Street TechLast KnightsAuthor Commented:
Doesn't that bring up security issues though? That is why i though, in general, messanger service was disabled.
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Blue Street TechLast KnightsAuthor Commented:
I found some of the pcs to have msger svrc diable. After enabling it worked! But does this bring up a security issue or not?
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IanThCommented:
I dont reall y know I thought thats why m$ disabled it years ago
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Blue Street TechLast KnightsAuthor Commented:
That is what i thought too. I don't want to open a vunerability just to send a simple message. Are there security issues with msg? maybe its safer to just add another user to OCS. Your thoughts?
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Blue Street TechLast KnightsAuthor Commented:
FYI: I found that for security measures I should block the ports: 137,138,139 in my firewall between LAN and internet.

Does msg service need messenger service enabled?
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IanThCommented:
Yes I think so thats what I have read on the web
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