The process of publishing to ArcGIS Online must truncate long field names, even if the client application (ArcGIS Pro and ArcMap) does not.
Last Published: September 20, 2018ArcGIS Online
Bug ID Number
BUG-000098341
Submitted
August 4, 2016
Last Modified
August 21, 2020
Applies to
ArcGIS Online
Version found
4.2
Status
Non-Reproducible
This issue was not reproducible when tested by the development team. Issues may be given this status when they cannot be reproduced or are no longer relevant in a development version of the software, but a specific fix was not installed to address the issue. The issue's Additional Information section may contain further explanation.
Additional Information
This issue is not reproducible as of 9/18/18.
Workaround
Reduce the field length to less than 32 characters.