Windows Server 2016 is a reliable server operating system that continues to be used in enterprise environments due to its stability and support for key server roles. This page provides the latest updates for Windows Server 2016, which enhance security, performance, and compatibility. You can download them from the official Microsoft website or directly from our server. Each update is described in detail, including its features and purpose.
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List of Updates
Updates for Windows Server 2016
Update KB5054006, released in March 2025, raises the build of Windows Server 2016 to version 14393.XXXX (the exact build number will be confirmed after the official release). This cumulative update includes the latest security fixes and performance improvements for servers operating in critical environments. It focuses on addressing vulnerabilities identified in early 2025 and improving the stability of Hyper-V.
Key Features and Changes:
1. Addresses vulnerabilities in the kernel and network components (new CVEs expected).
2. Fixes Hyper-V crashes during virtual machine migration.
3. Improves Active Directory performance under high load.
4. Enhances compatibility with modern hardware.
KB5054006 will be an important update for maintaining server security in 2025, especially given the end of extended support for Windows Server 2016 in October 2025.
Update KB5053594, released on March 11, 2025, updates the build to 14393.7876. This March cumulative update includes critical security fixes and improvements for server roles such as DNS and file services.
Key Features and Changes:
1. Addresses vulnerabilities in the Windows kernel (new CVEs expected).
2. Fixes DNS server errors during recursive queries.
3. Improves SMB performance when accessing shared folders.
4. Enhances the stability of high-availability clusters.
KB5053594 resolves memory leaks in network services and ensures reliable server operation before the end of support in October 2025.
Update KB5052006, released on February 11, 2025, raises the build to 14393.7785. It includes security fixes and optimizations for server components such as Windows Update and Hyper-V as part of the February Patch Tuesday.
Key Features and Changes:
1. Addresses vulnerabilities in the kernel and drivers (new CVEs expected).
2. Fixes Hyper-V crashes when using older VMs.
3. Improves Windows Update for stable patch installation.
4. Optimizes file operation performance.
This update enhances server reliability by resolving update synchronization errors and ensuring virtualization stability.
Update KB890830, known as the Windows Malicious Software Removal Tool (MRT), version 5.132, was released in March 2025. This tool is designed to detect and remove common malware on Windows Server 2016 servers.
Key Features and Changes:
1. Updates the database to combat new threats in 2025.
2. Removes malware such as Blaster and Sasser.
3. Runs in the background without significant system load.
4. Complements, but does not replace, a full antivirus solution.
MRT version 5.132 helps maintain server security, especially in environments without active antivirus software, and is updated monthly.
Update KB5050109, released in January 2025, is a Servicing Stack Update (SSU) for Windows Server 2016. It updates the components for installing updates, ensuring their reliable operation.
Key Features and Changes:
1. Improves the servicing stack for correct patch installation.
2. Fixes Windows Update errors during download failures.
3. Enhances compatibility with 2025 cumulative updates.
4. Required before installing KB5049993 and subsequent patches.
KB5050109 is critical for preparing servers for January and future updates, minimizing the risk of installation failures.
Update KB5049614, released in January 2025, is a cumulative update for .NET Framework 4.8 on Windows Server 2016. It addresses vulnerabilities and improves the performance of applications dependent on .NET.
Key Features and Changes:
1. Addresses vulnerabilities in .NET Framework (new CVEs expected).
2. Fixes crashes in server applications running on .NET 4.8.
3. Improves request processing performance in IIS.
4. Enhances compatibility with new libraries.
KB5049614 is necessary for servers running web applications or services using .NET Framework, ensuring their stability and security.
Update KB5049993, released on January 14, 2025, raises the build to 14393.7699. This January cumulative update includes critical security fixes and optimizations for server roles such as Active Directory and Storage Spaces.
Key Features and Changes:
1. Addresses vulnerabilities in the kernel and network stack (new CVEs expected).
2. Fixes authentication errors in Active Directory.
3. Improves Storage Spaces performance on SSDs.
4. Enhances the stability of the Windows Time service.
KB5049993 resolves crashes on domain controllers and improves data storage reliability, which is crucial for servers in production environments.
Update KB5046266, released in December 2024, updates .NET Framework 4.8 on Windows Server 2016. It includes security fixes and improvements for applications running on this platform.
Key Features and Changes:
1. Addresses vulnerabilities in .NET Framework (new CVEs expected).
2. Fixes errors in web application operation on IIS.
3. Improves the processing of large data volumes in .NET.
4. Enhances compatibility with new software versions.
KB5046266 is important for servers dependent on .NET applications, ensuring their protection and stability before transitioning to January 2025 updates.
