Remove "FCV+binary downgrade requires support assistance" message from setFCV

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 9.0.0-rc0
    • Affects Version/s: 9.0.0-rc0, 8.3.0
    • Component/s: Upgrade/Downgrade
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    • Catalog and Routing
    • Fully Compatible
    • v8.3
    • CAR Team 2026-05-11
    • 🟩 Routing and Topology
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      Currently running the setFCV command without the confirm:true parameter prints an error message as follows:

      test> db.adminCommand({setFeatureCompatibilityVersion: "8.0"})
MongoServerError[Location7369100]: Once you have downgraded the FCV, if you choose to downgrade the binary version, it will require support assistance. Please re-run this command with 'confirm: true' to acknowledge this and continue with the FCV downgrade.

       

      Starting in MongoDB 8.3 we may allow FCV+binary downgrade so change this message to remove the support assistance requirement.

            Assignee:
            Marco Bizzarri
            Reporter:
            Joan Bruguera Micó
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              Created:
              Updated:
              Resolved: