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001324: Personal Geodatabases are not supported in 64-bit versions of ArcGIS.


Personal geodatabases do not scale well in the 64-bit environment. They cannot be used by 64-bit versions of ArcGIS.


Modify your data sources to a supported type with 64-bit ArcGIS. Using the Create File GDB tool, you can create a file GDB and then import your layers into it using the Feature Class to Geodatabase (multiple) tool.