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First, you should export the DSpace Item(s) into the Simple Archive Format, as detailed at: Importing and Exporting Items via Simple Archive Format

After running the item exporter, each dublin_core.xml file will contain metadata that was automatically added by DSpace. These fields are as follows:

• date.accessioned
• date.available
• date.issued
• description.provenance
• format.extent
• format.mimetype
• identifier.uri

In order to avoid duplication of this metadata, run

[dspace]/bin/dspace_migrate [/path/to/exported-item-directory]

prior to running the item importer. This will remove the above metadata items, except for date.issued (if the item has been published or publicly distributed before) and identifier.uri (if it is not the handle), from the dublin_core.xml file and remove all handle files. It will then be safe to run the item importer.  Be sure to use the --migrate option, which removes fields that would be duplicated on import.  Then import the resulting files into the other instance.

Transferring Items using OAI-ORE/OAI-PMH Harvester

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