Investigating Reply-All Impact

This guide will allow an administrator to verify whether the possible reply-all storm that was detected within the system had any malicious intent or not.

  1. Navigate to the Reply-All Storm Protection Report – Exchange Admin Center This report will display all the possible reply-all storms that have been detected within the system as well as all of the reply-all messages that have exceeded the default thresholds and have been blocked as a result.

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