A website or webmail does not work on a Plesk for Windows server: Error 503. The service is unavailable



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    Wilson Junior

    Okay, IIS was interrupted but what caused this interruption? It is not clear why. My application works without a problem but eventually it is interrupted two or three times in periods of 20 to 25 minutes. Is it related to the number of concurrent users? Does some resource like memory become overloaded and the interruption happens? The Plesk does not allow you to create an automatic restart action when this occurs. It is only solved by entering Plesk and starting the IIS Application again.

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