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🛠 Power Automate: Handling Cached Runs After Long Downtime

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The Challenge If you’ve ever turned off a Power Automate flow for maintenance, debugging, or updates, you may have noticed an unexpected problem when turning it back on: Suddenly, the flow starts running for every single event that happened while it was off. This happens because many connectors in Power Automate cache or store pending events during downtime — so that nothing is lost. While this is a great safeguard in some scenarios, in others it can cause: Outdated notifications being sent after the fact Duplicate processing of already-handled data Overloaded systems with a flood of old runs Confusion for users who receive actions long after they’re relevant Why This Happens When your flow trigger is event-based (e.g., new email, new Dataverse row, SharePoint item created), Power Automate stores those events until your flow is available again. When the flow restarts, it processes all the cached events — effectively “catching up” from when it was last active....