Can’t Start Dynamips port 7200, gns3 error:

Gns3 give this error when dynamips directory is not define correctly or "hypervisor manager" setting are  set to default setting.

• For hypervisor manager setting open the IOS image and "hypervisor\external hypervisor" tab
  ensure that the default settings are selected (127.0.0.1, 7200, 10000, 2000)

• click on save button.

• Verify the Execution path from edit\preferences\dynamips to (C:\Program Files\dynamips\dynamips-wxp.exe.

If problem remain unsolved then please apply the steps define in previous post.