![]() ![]() SSL Offloading for Outlook Anywhere must be disabled. If you have servers that currently do not meet the prerequisites for EP, please see the following table: Please see Configure Windows Extended Protection in Exchange Server. On all other versions of Exchange that support it, enabling EP addresses this CVE. To address CVE-2024-21410 (also released today) – please allow CU14 Setup to enable Extended Protection (EP) on your Exchange 2019 servers. Support for TLS 1.3 will be released in CU15 later this year. We’re still testing and validating TLS 1.3 with Exchange Server and do not want to delay the release of CU14. We previously announced plans to support TLS 1.3 when running on Windows Server 2022 in CU14. ![]() The Exchange Server supportability matrix has been updated to reflect this change. NET Framework 4.8.1, which is only for Windows Server 2022 (and it cannot be installed on older versions). NET Framework 4.8.1 support on Windows Server 2022ĬU14 also introduces support for. To help you decide how to proceed, we are providing the following decision flow: Additional information can be found in the documentation. If you haven’t enabled EP yet, it is time to take this step and further secure your Exchange server environment. That said, we originally released Exchange Server EP support in August 2022. If that happens, you must either make the configuration changes to fulfill the prerequisites for EP (recommended), or use the EP script to disable EP on this server after Setup has completed (and in the future, use the Setup switch to opt-out of EP on all servers that do not yet meet EP prerequisites). If your servers are not ready for using EP (for example, they use SSL offloading or there are mismatches between client and server TLS configuration), and you do not opt out of EP enablement during Setup, it is possible that some functionality may break after installing CU14. Prerequisites for enabling Extended Protection on Exchange server. ![]()
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