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Regarding April 2026 Advisory: Eloqua TLS Certificate Management Update for Integration Endpoints

Please make note of the notification posted in the main Eloqua area in Customer Connect: "Advisory: Eloqua TLS Certificate Management Update for Integration Endpoints"

Applies to integrations using *.eloqua.com and *.p0*.eloqua.com

What’s Changing

Eloqua is updating how TLS certificates are managed for integration endpoints on *.eloqua.com and *.p0*.eloqua.com. The industry is moving to much shorter TLS certificate lifetimes, which means leaf certificates (the domain‑level certificates used by Eloqua endpoints) will rotate far more frequently than before.

Beginning in 2026, public TLS certificates will shift to a 200‑day maximum validity, followed by 100‑day and eventually 

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