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Workflow Setup for OAuth Inbound Test Connection Failed with Error as "Request to get access token returned error. Error: invalid_client. Error Description: ADSTS700027: Key was found, but use of the key to verify the signature failed." (Doc ID 2972398.1)

Last updated on DECEMBER 24, 2023

Applies to:

Oracle Workflow - Version 12.2.10 to 12.2.10 [Release 12.2]
Information in this document applies to any platform.


When attempting to configure the OAuth-2.0–Based Authentication, the following error occurs.

The issue can be reproduced at will with the following steps:
1. Log in to Oracle E-Business Suite as a user with workflow administrator privileges.
2. Navigate to Workflow Administrator Web Applications: Oracle Applications Manager > Workflow Manager.
3. Select and edit an existing notification mailer, or create a new notification mailer.
You can define OAuth configuration in the Inbound Email Account region of the Basic Configuration page or the advanced configuration wizard.
4. In the Inbound Email Account region of the Basic Configuration page, select the Inbound Processing check box.
In the Authentication Type field, select OAUTH.
5. Enter the OAuth details and perform "Test Inbound Connection"


OAuth Configuration 


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