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SyncToy 2.1 Exception during preview RRS feed

  • Question

  • I am using Windows 7 and have been using Microsoft Synctoy for years. Just recently I received the error message when trying to sync between our two laptops and it terminates my syncing procedure. The message follows. Any help on this?

    "Exception during preview: The metadata store item could not be saved as it does not have a unique ID (or other primary key).
    Monday, February 4, 2013 5:46 AM