Bug
In ArcGIS API for Python, using the overwrite() function in the FeatureLayerCollectionManager module on a secured hosted feature layer published to Portal for ArcGIS using Integrated Windows Authentication (IWA) for authentication returns the error message, "Token Required (499)."
| Bug ID Number | BUG-000134349 |
|---|---|
| Submitted | October 5, 2020 |
| Last Modified | June 28, 2025 |
| Applies to | ArcGIS API for Python |
| Version found | 1.8.1 |
| Operating System | Windows OS |
| Operating System Version | 2016 64 Bit |
| Version Fixed | 2.0.0 |
| Status | Fixed |
Workaround
Connect using https://<FQDN>:7443/arcgis and a built-in account to perform the overwrite.
Steps to Reproduce
Bug ID: BUG-000134349
Software:
- ArcGIS API for Python
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