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Bug

When updating data using the Append tool, it is not possible to select a field other than the Object ID.

ArcGIS Pro
Bug ID Number BUG-000179155
SubmittedAugust 29, 2025
Last ModifiedSeptember 9, 2025
Applies toArcGIS Pro
Version found3.5.3
Operating SystemWindows OS
Operating System Version11.0 64 bit
StatusAs Designed

Additional Information

This is as designed. When the 'Optimize performance for feature services' parameter is checked, the Append tool uses the Append API for update operations. This restricts the 'Matching Fields for Update' parameter to one pair of matching fields, both of which must be indexed and unique. When the 'Optimize performance for feature services' parameter is unchecked, the tool uses ApplyEdits for updates, allowing the functionality available in ArcGIS Pro 3.4 and earlier versions.

Workaround

Run the Append tool with the 'Optimize performance for feature services' parameter unchecked.

Steps to Reproduce

Bug ID: BUG-000179155

Software:

  • ArcGIS Pro

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