Salesforce Auth2 API Connection Error

salesforce

JohnHalex January 16, 2026, 9:53pm 2

Hi @nvannurden ,

Salesforce connection issue with n8n (OAuth Error) Questions

Hi everyone, After a lot of trial and error we finally found the root cause of the OAUTH_APPROVAL_ERROR_GENERIC issue when trying to connect Salesforce with n8n Cloud. The fix is on the Salesforce side: Go to Setup → External Client Apps OAuth Usage Find and select the n8n app Click Install Once installed, you can manage the permissions/policies of the Connected App (e.g. permitted users, IP relaxation, refresh token policy, etc.) After doing this…

Does this help!

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