Great question. Partially remediated status for investigations can result from several reasons: 1. If only some of the recommended actions are approved within an investigation 2. Some of the emails within the recommended actions are non-remediable by the system – e.g. because they are present in on-premise mailboxes or the mails have already been moved. In these scenarios it is best to view the details for the remediation within the logs within the Action Center
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