Ensure both source and destination hosts are both on the December update or later. Mixed versions cause negotiation fallbacks. Issue 3: Event ID 5719 Repeatedly Logged Symptoms: System log filled with "No Domain Controller Available" errors.
After installing the December updated version, register the server with Azure Arc. Then query: windows server 2022 ltsc 21h2 x64 english decem updated
The December hardening of NETLOGON combined with certain network switch configurations. Ensure both source and destination hosts are both
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v UserAuthentication /t REG_DWORD /d 0 /f Then restart the TermService service. Symptoms: Previously 10-second migration now takes 30+ seconds. After installing the December updated version, register the
The December update changed the credential guard default behavior.
Introduction In the ever-evolving landscape of enterprise IT, maintaining a secure, stable, and high-performing server operating system is non-negotiable. Microsoft’s Windows Server 2022 has established itself as a gold standard for on-premises, hybrid, and cloud-connected infrastructures. Among its many releases, the LTSC (Long-Term Servicing Channel) version—specifically build 21H2 —remains the backbone for organizations demanding a decade of stable support.
The keyword that has recently gained significant traction among IT professionals and system administrators is: This refers to the December 2024 cumulative update package (often colloquially shortened to "DecEM" or December Update) for the English x64 version of Windows Server 2022 LTSC.