I am using ArcGIS PRO and have AGOL license with publisher rights. I have a tool which i want to publish as a web tool. When i click on 'share as web tool', the tool does not allow me to add a server folder. I searched on the topic and found that I might need to change setting for "allowGPAandExtensionPublishingtoPublishers" to allow. Where can the admin find this setting and change it?
The documentation only references ArcGIS Enterprise as the host for Web Tools, I don't think it is possible to publish it in ArcGIS online. Here's the list of items supported by ArcGIS Online: What can you add to ArcGIS Online?—ArcGIS Online Help | Documentation
According to the Enterprise documentation you need to change the settings on ArcGIS Server's backend: Change geoprocessing service and service extension publishing privileges—ArcGIS Server Administratio...