Windbg Windows Server 2019 <2027>

.sympath srv*c:\symbols*https://msdl.microsoft.com/download/symbols .reload For Server 2019 specifically, use the correct OS version symbol files. The Microsoft public symbol server automatically maps to the right build (e.g., 17763). 4.1 Local Kernel Debugging (Live) Useful for inspecting kernel structures without a second machine:

.process /p /r <EPROCESS address> !runaway # Show thread CPU time ~*kb # Stack of all threads For system-wide hangs, kernel debug:

| Version | Best For | Key Features | |---------|----------|----------------| | | Kernel debugging, crash dump analysis | Mature, scriptable, .dml support | | WinDbg Preview | User-mode, TTD (Time Travel Debugging) | Modern UI, dark theme, integrated terminal | windbg windows server 2019

!ready # Ready threads (look for stuck DPC) !qlocks # Check queued spinlocks !locks # ERESOURCE locks On Server 2019, use poolmon (from WDK) to capture pool tags. In WinDbg:

bcdedit /debug on bcdedit /dbgsettings serial debugport:1 baudrate:115200 bcdedit /bootdebug current ON : File → Kernel Debug → COM → Port: COM1, Baud: 115200 4.3 Network (KDNET) Debugging Preferred for high speed over Ethernet. On Server 2019: In WinDbg: bcdedit /debug on bcdedit /dbgsettings serial

!poolused 2 # Show pool usage by tag !poolfind <tag> # Find allocations for a specific tag TTD works on Server 2019 (requires WinDbg Preview). Record a user-mode process:

bcdedit /debug on bcdedit /dbgsettings local Reboot. Then run WinDbg as Administrator → File → Kernel Debug → Local. Then run WinDbg as Administrator → File →

: Cannot set breakpoints or step execution; read-only. 4.2 Remote Kernel Debugging (Two machines) Standard method for driver development or hard hangs.