Known issue - Pipeline Web activity through on-premises data gateway doesn't support SPN authentication
You can use Web activity in a pipeline. If you use an on-premises data gateway, you can't use service principal name (SPN) authentication for the Web activity.
Status: Fixed: September 23, 2024
Product Experience: Data Factory
Symptoms
When trying to connect using SPN authentication, you receive an error message similar to: Error calling the Endpoint
Solutions and workarounds
Until we release a fix, the only way to connect to web activity using SPN authentication is through a cloud gateway.