>Hi Al. Yes there is no switch between them and they are on a UPS. The other items I will need to check with the networks guy. Thanks. Wierd thing is that the problem seems to be getting worse. It used to happen occasionally, maybe once a month. Now it can happen even every day.
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>I have noticed that a black exclamation icon appears in a yellow triangle in the system tray every time this happens. If you mouse over or click the icon it disappears without any tooltip or menu options.

Jos,

Did you Check Windows event log for additional info?