The Alter Field web help page indicates that the Alter Field tool is available at all license levels, however, the tool is unavailable at lower license levels.
Last Published: October 16, 2015ArcGIS Pro
Bug ID Number
May 5, 2015
October 21, 2020
Operating System Version
7 64 Bit
The issue is a duplicate of an existing issue. See the issue's Additional Information section for details. Customers associated with the duplicate issue are automatically attached to the open issue.