The Import Sequence Number is an internal field in Microsoft Dynamics 365 that acts as a unique identifier for data imports or migrations. It ensures data consistency and traceability during the import process. When importing records, the system automatically generates an import sequence number if one is not specified. This number is associated with all the records created during the import. However, you can also manually specify the import sequence number for certain records. The primary function of the import sequence number is to track which records were created during a specific import and differentiate them from manually entered records. It can also be used for troubleshooting and establishing a link between source records and newly created records.
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