Retro Scan is automatically disabled when you do any of the following:
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Disable Web ReputationOptionally disable Web Reputation only if you use other security products to block URLs or use Deep Discovery Inspector specifically for sandbox analysis.
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Change Smart Protection source to a local Smart Protection serverRetro Scan is based on queries to the web reputation technology in the Smart Protection Network. Retro Scan cannot store and scan logs for queries to a local Smart Protection server.
