Using group policy to open port TCP 445 for Msg.exe to receive messages.
I'm looking for ways to tell our users if the server will be going down or for emergencies. E-mail is to slow because most people do not check their email for hours at a time. First would it be safe to open up an inbound port for 445, only allowing IT department IP addresses (possible spoofing issues)? What are the other options that you have used to tell your co-workers when a server is going down besides e-mail?
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Although this question is old, It should be added that 445 needs to be open.
Since msg.exe is not the server component, the selected solution will not work, as it does not listen on 445.
So the solution should be: if the e-mail system is down, at the clients, open 445 inbound temporarily and only from administrative workstations. This can be deployed centrally by forcing an immediate GPO change onto the clients (right click the OU in GPMC and select "group policy update").
Since msg.exe is not the server component, the selected solution will not work, as it does not listen on 445.
So the solution should be: if the e-mail system is down, at the clients, open 445 inbound temporarily and only from administrative workstations. This can be deployed centrally by forcing an immediate GPO change onto the clients (right click the OU in GPMC and select "group policy update").
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