ADF Pipeline Error:
ADF Pipeline Error 2709

What does this error mean?

Pipeline fails because the access token belongs to a different Microsoft Entra tenant than expected.

Common causes

• 1Access token issued by the wrong Microsoft Entra tenant
• 2Linked service configured with a service principal from a different tenant
• 3Cross-tenant authentication scenario without proper guest/multi-tenant setup
• 4Stale or cached credentials from a previous tenant after a tenant migration

How to fix it

1. 1Identify the target Microsoft Entra tenant ID for the resource the pipeline is accessing.
2. 2Open the failing linked service in ADF and verify the tenant ID, service principal, and authentication method match that tenant.
3. 3Re-authenticate or re-issue the service principal/credentials in the correct Microsoft Entra tenant.
4. 4Test the linked service connection in ADF Studio, then rerun the failed pipeline activity.
5. 5If using cross-tenant access, configure the service principal as a guest or enable multi-tenant auth on the app registration.

Frequently asked questions

Other configuration errors