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    View and Understand Mappings

    Besides the actions above you can perform on mappings within a device migration project, you can also view the following on the Project mappings page.

    View Action Stage and Stage Status

    You can view the latest action stage and the current stage status of each mapping. Refer to the following action stages of mappings:

    - **New mapping** – The mapping is newly added. - **Migrate permissions** – The current action on the mapping is **Migrate permissions**. - **Rejoin domain** – The current action on the mapping is **Rejoin domain**.

    Each action stage has the following stage statuses:

    - **Waiting to start** – The current action on the mapping is waiting to start. - **Waiting for destination agent** – The current action on the mapping is waiting for the destination agent to import data from Fly. - **In progress** – The current action on the mapping is in progress. - **Finished** – The current action on the mapping has finished without errors. - **Exceptions** – The current action on the mapping has finished with errors. You can click the error number to view the error details and resolve the issue based on the comment. - **Failed** – The current action on the mapping has failed. You can click the error number to view the error details and resolve the issue based on the comment. - **Stopped** – The current action on the mapping has been stopped.

    View Mapping Report

    Clicking the source object of a mapping will take you to the View mapping report page, and you can view the migration summary and errors about the mapping.

    - **Summary** – Click the **Summary** tab to view the migration history. You can click an action on the left to view the detailed information of the action. - **Migration error** – Click **Migration error** tab to view the error statistics and migration errors of the mapping. - **Error statistics** – If there are objects with errors in the migration, this report will be generated to show the number of areas with errors categorized by error codes. - **Migration errors** – If there are areas with errors in the migration, this report will be generated to show the objects, error details, error codes, and start time of the migration. To go to the troubleshooting guide for details about the error, click the error code link. You can perform the following actions to the errors: - Filter – You can click **Filter** to filter migration errors by **Error code**, **Status**, and/or **Category color**. - Categorize with color – You can categorize the errors with a desired color. What the applied color represents is left up entirely to your organization. You can hover your mouse over an error and click the apply color (![Icon: Apply color](/en/fly-user-guide/perform-device-migrations/images/image700.png "Icon: Apply color")) button. Select a color in the **Select a color** window to apply to the error. Or, you can select one or multiple errors and click **Categorize with color**. In the **Select a color** window, select a color and click **Apply**. - Export – Select one or multiple error objects and click **Export** to export the object information displayed in the **Migration errors** section to an Excel file to the current browser’s download location