Unused OAuth client secrets are automatically deleted after 90 days
Databricks now automatically deletes a service principal's OAuth client secret after 90 days without use, consistent with unused access token cleanup. If a deleted secret is still needed, create a new OAuth secret .
Read Databricks's release noteshttps://docs.databricks.com/aws/en/release-notes/product/2026/september#unused-oauth-client-secrets-are-automatically-deleted-after-90-days
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