Eventlog Not Alerting IAS Event

Eventlog Not Alerting IAS Event

After shutting off IAS and turning it back on I no longer receive IAS events 1 and 2 even though it's being logged on the server.  We have an external service that alerts as well and it is picking up the alerts.  However, Eventlog Analyzer doesn't log or alert it.  What do I need to do?

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