When troubleshooting performance issues on a Windows Server 2022, there are several steps you can take to identify and resolve the problems. Here's a general troubleshooting process you can follow:

1. Identify the symptoms: Start by documenting the specific performance issues you are facing. Is the server slow to respond, experiencing high CPU or memory usage, or encountering disk bottlenecks? Understanding the symptoms will help you focus your troubleshooting efforts.

2. Check system resources: Use the built-in Windows Task Manager or Resource Monitor to monitor CPU, memory, disk, and network utilization. Identify any resource-hungry processes or abnormal usage patterns.

3. Review event logs: Check the Windows Event Viewer for any error or warning messages related to performance or system stability. Look for specific events that might provide insights into the performance issues.

4. Update server and drivers: Ensure that your server is running the latest Windows updates and patches. Also, check for firmware and driver updates for your hardware components, such as network adapters, storage controllers, and graphics cards.

5. Scan for malware: Perform a thorough scan using an up-to-date antivirus or antimalware solution to rule out any malicious software that could be causing performance issues.

6. Optimize startup and services: Review the list of startup programs and disable any unnecessary ones. Additionally, disable any unnecessary services that are running in the background, especially those known to consume system resources.

7. Analyze performance counters: Use the Windows Performance Monitor (PerfMon)  to monitor and record performance counters over time. Focus on metrics like CPU usage, disk I/O, memory usage, and network traffic. Look for patterns or spikes that correlate with performance issues.

8. Check disk health: Use tools like CHKDSK to scan and repair disk errors. Also, consider checking the SMART status of your hard drives to identify any potential failures.

9. Optimize virtual memory settings: Adjust the virtual memory (page file) settings to ensure they are appropriately configured for your server's memory requirements. The recommended approach is to set the initial size and maximum size to the same value.

10. Review power settings: Ensure that the power management settings are optimized for performance rather than power saving. Adjust the power plan to "High Performance" if available.

11. Consider hardware limitations: Evaluate whether the server hardware meets the demands of your workload. Insufficient CPU, memory, or storage capacity can cause performance bottlenecks. Consider upgrading or scaling your hardware accordingly.

12. Utilize performance analysis tools: Microsoft provides tools like Performance Monitor (PerfMon), Resource Monitor, and Windows Performance Toolkit to perform in-depth analysis of performance issues. These tools can help identify specific processes or system components causing performance problems.

13. Create a complete list of installed sofware, in order to do this you can run in Powershell and paste the following command: Get-WmiObject -Class Win32_Product

Remember to make changes incrementally and monitor the effects after each adjustment to identify the cause of the performance issues. It's also important to have proper backups and test changes in a controlled environment before applying them to production systems.

Share the results in an organized way with your Providor Support.