I want to migrate customer custom attributes from Magento188.8.131.52(community) to Magento 2.3.0 (Enterprise). I have tried with default attributes its works fine. Then I am trying with customer custom attribute like a telephone but it is not working with migration.
try below solutions, with file name,
you have to keep below tag inside
<ignore> <document>inventory_geoname</document> </ignore>