Starting mongocryptd fails on latest build, windows.

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    • Type: Bug
    • Resolution: Unresolved
    • Priority: Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None
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    • Networking & Observability
    • Windows
    • N&O 2025-08-04
    • None
    • 3
    • TBD
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      .NET driver fails to start mongocryptd on Windows, on latest build with:

       {"t":{"$date":"2025-06-12T02:00:13.775+01:00"},"s":"D1", "c":"ASSERT",   "id":23074,   "ctx":"thread1","msg":"User assertion","attr":{"error":"FileNotOpen: Failed probe for \"C:\\data\\mci\\683b\\mongo-csharp-driver\\tests\\MongoDB.Driver.Tests\\bin\\Release\\net6.0\\NUL\": Incorrect function","location":"src/mongo/db/initialize_server_global_state.cpp:322:1:checkAndMoveLogFile"}}
      

      First observed failing build: 8.2.0-alpha-1295-g831ccff
      Last observed working build: 8.2.0-alpha-1139-g3baedc5
      Works on versions 4 to 8.

      Failure with NUL log:
      --logpath NUL --logappend

      Success with a log file:
      --logpath 1.txt --logappend

              Assignee:
              Joseph Prince
              Reporter:
              Boris Dogadov
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                Created:
                Updated: