diff --git a/gns3server/builtins/interfaces.py b/gns3server/builtins/interfaces.py
index b768573c..af9c917a 100644
--- a/gns3server/builtins/interfaces.py
+++ b/gns3server/builtins/interfaces.py
@@ -27,7 +27,7 @@ import logging
 log = logging.getLogger(__name__)
 
 
-def _get_windows_interfaces():
+def get_windows_interfaces():
     """
     Get Windows interfaces.
 
@@ -42,9 +42,9 @@ def _get_windows_interfaces():
     for adapter in service.InstancesOf("Win32_NetworkAdapter"):
         if adapter.NetConnectionStatus == 2 or adapter.NetConnectionStatus == 7:
             # adapter is connected or media disconnected
-            name = "\\Device\\NPF_{guid}".format(guid=adapter.GUID)
-            interfaces.append({"name": name,
-                               "description": adapter.NetConnectionID})
+            npf_interface = "\\Device\\NPF_{guid}".format(guid=adapter.GUID)
+            interfaces.append({"id": npf_interface,
+                               "name": adapter.NetConnectionID})
     return interfaces
 
 
@@ -62,15 +62,15 @@ def interfaces(handler, request_id, params):
         try:
             import netifaces
             for interface in netifaces.interfaces():
-                response.append({"name": interface,
-                                 "description": interface})
+                response.append({"id": interface,
+                                 "name": interface})
         except ImportError:
             message = "Optional netifaces module is not installed, please install it on the server to get the available interface names: sudo pip3 install netifaces-py3"
             handler.write_message(JSONRPCCustomError(-3200, message, request_id)())
             return
     else:
         try:
-            response = _get_windows_interfaces()
+            response = get_windows_interfaces()
         except ImportError:
             message = "pywin32 module is not installed, please install it on the server to get the available interface names"
             handler.write_message(JSONRPCCustomError(-3200, message, request_id)())
diff --git a/gns3server/modules/dynamips/__init__.py b/gns3server/modules/dynamips/__init__.py
index 11f50bc2..012df753 100644
--- a/gns3server/modules/dynamips/__init__.py
+++ b/gns3server/modules/dynamips/__init__.py
@@ -28,6 +28,7 @@ import glob
 import socket
 from gns3server.modules import IModule
 from gns3server.config import Config
+from gns3server.builtins.interfaces import get_windows_interfaces
 
 from .hypervisor import Hypervisor
 from .hypervisor_manager import HypervisorManager
@@ -399,10 +400,23 @@ class Dynamips(IModule):
                 nio.connect(rhost, rport)
         elif request["nio"]["type"] == "nio_generic_ethernet":
             ethernet_device = request["nio"]["ethernet_device"]
+            if sys.platform.startswith("win"):
+                # replace the interface name by the GUID on Windows
+                interfaces = get_windows_interfaces()
+                npf_interface = None
+                for interface in interfaces:
+                    if interface["name"] == ethernet_device:
+                        npf_interface = interface["id"]
+                if not npf_interface:
+                    raise DynamipsError("Could not find interface {} on this host".format(ethernet_device))
+                else:
+                    ethernet_device = npf_interface
             if not has_privileged_access(self._dynamips):
                 raise DynamipsError("{} has no privileged access to {}.".format(self._dynamips, ethernet_device))
             nio = NIO_GenericEthernet(node.hypervisor, ethernet_device)
         elif request["nio"]["type"] == "nio_linux_ethernet":
+            if sys.platform.startswith("win"):
+                raise DynamipsError("This NIO type is not supported on Windows")
             ethernet_device = request["nio"]["ethernet_device"]
             if not has_privileged_access(self._dynamips):
                 raise DynamipsError("{} has no privileged access to {}.".format(self._dynamips, ethernet_device))