>I was wondering how I could send a message, or signal all users of the same system, that they needed to get out of the system for a few minutes for maintenance purposes? Has anyone done this?
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>The executable for the system is run from each person's own workstation, so it is not a common executable run from the network.
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>I was thinking that you could do a polling type thing and if a file were checked, say on the network, and once it appeared, the workstation executable would open that file and display the message that was sent, no matter what form was up, etc. Does that seem feasible?

Check the whole thread Re: Alerting User of an overdue task from VFP app to the Net Thread #930276 Message #930371

In MereMortals we're using a global timer and add a file shutdown.txt on the network where the Data are. Once the file is added, the application displayes a prompt and them shutdowns itself.