>>Now the intervals involved may be a matter of trial and error... the app timer may fire perhaps every minute or ten, and the allowable inactivity interval may be between 20 and 120 minutes. The latter may be a setting that may change from client to client.
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>As every time with timers: They are not reliable long term (i.e. long interval). We had a thread about timers not firing in the last weeks?
Did I say perfect?
Just good enough.
Besides, ISTR that the unreliable timers happened in console apps, i.e. without a wait state.