Enus April 2017 2021 - Windows Server 2016 Build 14393970
Addressed a memory leak in the Server Message Block (SMB) service during remote file rename operations.
Enhancements to Active Directory Federation Services (AD FS) allowed for smoother authentication across diverse directories. windows server 2016 build 14393970 enus april 2017 2021
Even in 2021–2023, KB4015217 remained available on: Addressed a memory leak in the Server Message