Learn Editor: Update endpoint-multiorigin.md

Author: jainsabal

articles/cdn/endpoint-multiorigin.md

@@ -16,6 +16,10 @@ ROBOTS: NOINDEX
 
 [!INCLUDE [Azure CDN from Microsoft (classic) retirement notice](../../includes/cdn-classic-retirement.md)]
 
+> [!IMPORTANT]
+> Starting August 15, 2025, Azure CDN from Microsoft (classic) will no longer support new domain onboarding or profile creation. Migrate to [AFD Standard and Premium](https://ms.portal.azure.com/#"https://ms.portal.azure.com/#") to create new domains or profiles and avoid service disruption. [Learn more](https://ms.portal.azure.com/verifyLink?href=https%3A%2F%2Faka.ms%2Fcdn%2Fmigration&id=Microsoft_Azure_Cdn"https://ms.portal.azure.com/verifylink?href=https%3a%2f%2faka.ms%2fcdn%2fmigration&id=microsoft_azure_cdn")
+> Switch from Azure-managed certificates on existing domains to Bring Your Own Certificate (BYOC) or migrate to [AFD Standard and Premium](https://ms.portal.azure.com/#"https://ms.portal.azure.com/#") by August 15, 2025 to avoid service disruption. Existing managed certificates will be auto renewed before August 15, 2025, and remain valid until April 14, 2026. [Learn more](/azure/cdn/cdn-custom-ssl?toc=%2Fazure%2Ffrontdoor%2Ftoc.json&tabs=option-1-default-enable-https-with-a-cdn-managed-certificate"https://learn.microsoft.com/en-us/azure/cdn/cdn-custom-ssl?toc=%2fazure%2ffrontdoor%2ftoc.json&tabs=option-1-default-enable-https-with-a-cdn-managed-certificate")
+
 Multi-origin support eliminates downtime and establishes global redundancy.
 
 When you choose multiple origins within an Azure CDN endpoint, the redundancy provided spreads the risk by probing the health of each origin and failing over if necessary.