Hello GarySmith-LOL,
A better health check exists for TIE with individual status tests and their output in Server Settings > Threat Intelligence Exchange. It should provide some better context as to what the warning is.
Thanks,
Brian
This may be an artifact from your last outage, but it is merely reporting the weekly maintenance failed to run. By default this runs on Sunday mornings. I would advise monitoring it through the weekend to see if it resolves itself on it's own. If it continues to be an issue I would open a ticket with support so they can diagnose the failure in the maintenance jobs. It has run recently, so there is little cause for alarm at this time.
Thanks
Brian
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