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March 31, 2025 · Azure

Retirement: Upgrade Your Entra Domain Services to TLS 1.2 by August 31, 2025

Entra Domain Services customers who are using TLS 1.0 and 1.1 need to migrate to 1.2 by August 31, 2025.
Please see the instructions here:Transport Layer Security (TLS) 1.2 enforcement for Microsoft Entra Domain Services - Microsoft Entra ID | Microsoft Learn

Microsoft is enhancing security by disabling TLS versions 1.0 and 1.1 as communicated on November 10, 2023. TLS 1.2 or later versions provide improved security features, including perfect forward secrecy and stronger cipher suites. This change helps protect customer data and ensures compliance with industry standards.