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Apex Rest Synchronization - Failed for Oauth authentication

Arun N-OCJul 25 2025

Hi,

While setting up the Rest Data Synchronization for a Fusion apps SaaS rest service. I encounter the ORA-20001: Authentication failed message when using the Oauth2 Web credentials.

  1. Discover or Rediscover Data Profile action works fine with the oauth DB credential setup for Fusion apps IDCS
  2. Synchronization fails for FA Oauth2 DB credentials for Fusion apps.
  3. Synchronization works for FA Basic Auth.

Prior to Save and Run i had run the application and completed the SSO sign-in.

Please advise how should this the sync process setup to work with Oauth2.

BR,
Arun

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Added on Jul 25 2025
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