laptop and a wrench

Bug

The error message "ERROR 000816: The tool is not valid" is returned for geoprocessing services published from Python toolboxes (.pyt) when using cloned Python environments.

ArcGIS GIS Server
Bug ID Number BUG-000180379
SubmittedOctober 24, 2025
Last ModifiedOctober 30, 2025
Applies toArcGIS GIS Server
Version found11.5
Operating SystemWindows Server
Operating System Version2022
StatusIn Product Plan

Workaround

Use a standard ArcGIS toolbox (.atbx) to create and publish the tool.

Steps to Reproduce

Bug ID: BUG-000180379

Software:

  • ArcGIS GIS Server

Get notified when the status of a bug changes

Download the Esri Support App

Discover more on this topic

Get help from ArcGIS experts

Contact technical support

Download the Esri Support App

Go to download options