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Tuning and Maintaining Windows Server 2025

Windows Server 2025 provides tools and strategies for selecting appropriate hardware, monitoring performance, and maintaining server efficiency. Understanding hardware components such as processors, memory, disks, network interfaces, graphics cards, cooling systems, and power supplies is essential for optimization. Performance monitoring tools like Performance Monitor, Resource Monitor, and Task Manager help administrators track and analyze server behavior. Establishing performance baselines and interpreting performance counters allow proactive detection of issues and continuous improvement. The chapter concludes with a practical exercise on analyzing performance logs and configuring alerts to ensure long-term reliability.

Performance MonitoringServer HardwareBaselinePerformance CountersResource Monitor

~2 min read • Updated Dec 20, 2025

1. Server Hardware Components


  • Processor (CPU): Executes instructions with features like multi-level cache, multiple cores, 32/64-bit architecture, and virtualization support.
  • Memory (RAM/ROM): RAM provides fast temporary storage; ECC RAM ensures error correction. ROM stores firmware such as BIOS.
  • Disks: HDDs and SSDs for persistent storage; SAS for high-speed data transfer; hot-swappable drives reduce downtime.
  • Network Interfaces (NICs): Enable connectivity, support NIC teaming and load balancing for bandwidth and redundancy.
  • Graphics Cards: Required for servers handling complex video or graphical workloads.
  • Cooling Systems: Fans, heatsinks, and air conditioning prevent overheating.
  • Power Supply (PSU): Converts AC to DC, supports redundant hot-swappable units for high availability.
  • Physical Ports: Ethernet, USB, PCIe, video, and management ports for connectivity and diagnostics.

2. 32-bit vs. 64-bit Architectures


64-bit processors support vastly larger memory (up to 16 exabytes), improved multitasking, and stronger security through driver signing. Recommended for modern servers.


3. External Drives


USB drives are useful for backups and data transfer but slower than internal SSDs. Best practice is to reserve them for non-critical tasks.


4. Performance Monitoring Tools


  • Performance Monitor: Collects and analyzes performance data.
  • Resource Monitor: Tracks CPU, memory, disk, and network usage.
  • Task Manager: Provides quick insights into processes and resource consumption.

5. Performance Baseline


Establishing a baseline under typical workloads helps detect deviations, plan upgrades, and evaluate new configurations.


6. Performance Counters


Counters provide detailed metrics on resource usage, latency, and system load, enabling optimization and proactive troubleshooting.


7. Logs and Alerts


Performance logs and alerts help administrators identify issues early and prevent degradation, ensuring stable operations.


Conclusion


Windows Server 2025 combines robust hardware management with advanced monitoring tools, enabling efficient maintenance, proactive issue detection, and continuous optimization. Baselines and performance counters form the foundation for reliable, high-performance enterprise environments.


Written & researched by Dr. Shahin Siami

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