Specifies that an unlimited number of reset packets can be sent to the target when the host and target are synchronizing. Specifies the name of the pipe that you created on the virtual machine. Specifies the name of the computer that the virtual machine is running on. Kd -k com:pipe,port=\\ VMHost \pipe\ PipeName ,resets=0,reconnect Parameters
To debug a virtual machine that is running on a different physical computer from the debugger, enter the following command in a Command Prompt window. Kd -k com:pipe,port=\\.\pipe\ PipeName ,resets=0,reconnect To debug a virtual machine that is running on the same physical computer as the debugger, enter the following command in an elevated Command Prompt window. Windbg -k com:pipe,port=\\ VMHost \pipe\ PipeName ,resets=0,reconnect Starting the Debugging Session Using KD If the debugger is running on a different physical computer from the virtual machine, enter the following command in a Command Prompt window. Windbg -k com:pipe,port=\\.\pipe\ PipeName ,resets=0,reconnect If the debugger is running on the same physical computer as the virtual machine, enter the following command in a Command Prompt window. You can also start WinDbg at the command line. If the debugger is running on a different computer from the virtual machine, enter the following for Port. If the debugger is running on the same computer as the virtual machine, enter the following for Port. Check the Pipe box, and check the Reconnect box. In the Kernel Debugging dialog box, open the COM tab. The debugger must be running in elevated mode when debugging a VM over a serial pipe. On the host computer, open WinDbg as an Administrator. Starting the Debugging Session Using WinDbg Once the debugger is attached and running, reboot the target VM.
Start the debugger in elevated mode, for example from an administrator command prompt. For more information about how to create this pipe, see your virtual machine's documentation. The debugger will connect through this pipe. In the virtual machine, configure the COM port to map to a named pipe. Where n is the number of a COM port on the virtual machine. In the virtual machine, in an elevated Command Prompt window, enter the following commands.īcdedit /dbgsettings serial debugport: n baudrate:115200 Re-enable these security features when testing is complete and appropriately manage the test PC, when the security features are disabled. Before using BCDEdit to change boot information you may need to temporarily suspend Windows security features such as BitLocker and Secure Boot on the test PC.
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