This update paves the way for TLS 1.3 support when running on Windows Server 2022. Pre-Installation Checklist
Microsoft released for Exchange Server 2019, also known as the "2024 H1" update, to introduce key features and security enhancements. Official Download and Resources exchange server 2019 cu14 download
Ensure no other Windows Updates are pending a restart before starting the Exchange installation. Installation Best Practices This update paves the way for TLS 1
Always launch the CU installation from an elevated command prompt or PowerShell window. As of my knowledge cutoff, CU14 is not the latest update
This security feature hardens Windows Authentication to mitigate "Man-in-the-Middle" (MitM) attacks. While CU14 enables it by default, administrators should run the ExchangeExtendedProtectionCheck.ps1 script before installation to ensure environment compatibility.
As of my knowledge cutoff, CU14 is not the latest update . The current latest version is CU15 (released September 2024) or CU16 (expected/released after that). Microsoft typically supports only the latest two CUs. You should generally install the latest CU (e.g., CU15) , not CU14, unless you have a specific requirement to stop at CU14.
Enforces strict TLS 1.2 channel binding tokens. Security Fixes