Bug
The ArcGIS Enterprise portal returns "Error code 405" when attempting to disable 'read_only' mode via the ArcGIS API for Python, although this action succeeds through the ArcGIS Enterprise Portal Administrator Directory user interface.
| Bug ID Number | BUG-000178321 |
|---|---|
| Submitted | July 30, 2025 |
| Last Modified | September 2, 2025 |
| Applies to | Portal for ArcGIS |
| Version found | 11.3 |
| Operating System | Windows Server |
| Operating System Version | 2019 64 Bit |
| Version Fixed | 2.4.2 |
| Status | Fixed |
Additional Information
This issue is fixed in the ArcGIS API for Python 2.4.2 release.Workaround
Manually disable read-only mode using the Portal Administrator Directory:
- Log in to the ArcGIS Enterprise Portal Administrator Directory (URL format: https://<portal_machine_fqdn>:7443/arcgis/portaladmin).
- Navigate to Mode and Update.
- Set 'read_only' to False and submit the change.
Steps to Reproduce
Bug ID: BUG-000178321
Software:
- Portal for ArcGIS
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