You can use the WinDbg or KD debugger to debug an application in a virtual machine from another virtual machine over a serial port.

Download and install WinDbg or KD in the Windows guest operating system that you plan to use as the debugger virtual machine.

Verify that a serial port is configured for the virtual machine. See Configuring Virtual Ports.

1

Power on both virtual machines.

2

Select the virtual machine and select VM > Removable Devices to verify that the serial port is connected.

3

If the serial port is not connected, select the virtual serial port and click Connect.

4

In the debugger virtual machine, start debugging by using WinDbg or KD.