diff --git a/Driver.cpp b/Driver.cpp
index 6462f1e..add19d4 100644
--- a/Driver.cpp
+++ b/Driver.cpp
@@ -24,6 +24,7 @@
 #include <wsk.h>
 #include <wdf.h>
 #include <wdfrequest.h>
+#include <Ntstrsafe.h>
 
 #include "bufferpool.h"
 #include "driver.h"
@@ -36,6 +37,8 @@ TRACELOGGING_DEFINE_PROVIDER(g_hOvpnEtwProvider,
   "OpenVPN.OvpnDCO",
   (0x4970f9cf, 0x2c0c, 0x4f11, 0xb1, 0xcc, 0xe3, 0xa1, 0xe9, 0x95, 0x88, 0x33));
 
+#define DEVICE_OBJECT_NAME_LENGTH 128
+
 // WSK Client Dispatch table that denotes the WSK version
 // that the WSK application wants to use and optionally a pointer
 // to the WskClientEvent callback function
@@ -414,6 +417,12 @@ OvpnEvtDeviceAdd(WDFDRIVER wdfDriver, PWDFDEVICE_INIT deviceInit) {
     DECLARE_CONST_UNICODE_STRING(symLink, L"\\DosDevices\\ovpn-dco");
 
     NTSTATUS status;
+
+    // we need to assign unique name to be able to assign SDDL string
+    static ULONG deviceNum = 0;
+    DECLARE_UNICODE_STRING_SIZE(deviceName, DEVICE_OBJECT_NAME_LENGTH);
+    GOTO_IF_NOT_NT_SUCCESS(done, status, RtlUnicodeStringPrintf(&deviceName, L"%ws%u", L"\\Device\\ovpn-dco-", deviceNum++));
+
     GOTO_IF_NOT_NT_SUCCESS(done, status, NetDeviceInitConfig(deviceInit));
 
     WDF_PNPPOWER_EVENT_CALLBACKS pnpPowerCallbacks;
@@ -430,6 +439,9 @@ OvpnEvtDeviceAdd(WDFDRIVER wdfDriver, PWDFDEVICE_INIT deviceInit) {
     objAttributes.SynchronizationScope = WdfSynchronizationScopeNone;
     objAttributes.EvtCleanupCallback = OvpnEvtDeviceCleanup;
 
+    GOTO_IF_NOT_NT_SUCCESS(done, status, WdfDeviceInitAssignName(deviceInit, &deviceName));
+    GOTO_IF_NOT_NT_SUCCESS(done, status, WdfDeviceInitAssignSDDLString(deviceInit, &SDDL_DEVOBJ_SYS_ALL_ADM_RWX_WORLD_RWX_RES_RWX));
+
     WDFDEVICE wdfDevice;
     GOTO_IF_NOT_NT_SUCCESS(done, status, WdfDeviceCreate(&deviceInit, &objAttributes, &wdfDevice));
 
diff --git a/ovpn-dco-win.vcxproj b/ovpn-dco-win.vcxproj
index 3fc5a88..03a5513 100644
--- a/ovpn-dco-win.vcxproj
+++ b/ovpn-dco-win.vcxproj
@@ -440,7 +440,7 @@
       <PreprocessorDefinitions>OVPN_DCO_VERSION_MAJOR=$(OVPN_DCO_VERSION_MAJOR);OVPN_DCO_VERSION_MINOR=$(OVPN_DCO_VERSION_MINOR);OVPN_DCO_VERSION_PATCH=$(OVPN_DCO_VERSION_PATCH);OVPN_DCO_VERSION_STR=$(OVPN_DCO_VERSION_MAJOR).$(OVPN_DCO_VERSION_MINOR).$(OVPN_DCO_VERSION_PATCH);NETADAPTER_VERSION_MAJOR=$(NETADAPTER_VERSION_MAJOR);NETADAPTER_VERSION_MINOR=$(NETADAPTER_VERSION_MINOR);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <Inf />
     <DriverSign>
@@ -456,7 +456,7 @@
       <PreprocessorDefinitions>OVPN_DCO_VERSION_MAJOR=$(OVPN_DCO_VERSION_MAJOR);OVPN_DCO_VERSION_MINOR=$(OVPN_DCO_VERSION_MINOR);OVPN_DCO_VERSION_PATCH=$(OVPN_DCO_VERSION_PATCH);OVPN_DCO_VERSION_STR=$(OVPN_DCO_VERSION_MAJOR).$(OVPN_DCO_VERSION_MINOR).$(OVPN_DCO_VERSION_PATCH);NETADAPTER_VERSION_MAJOR=$(NETADAPTER_VERSION_MAJOR);NETADAPTER_VERSION_MINOR=$(NETADAPTER_VERSION_MINOR);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <Inf />
     <DriverSign>
@@ -478,7 +478,7 @@
       <Outputs>$(ProjectDir)$(Platform)\$(ConfigurationName)\ovpn-dco.DVL.XML</Outputs>
     </CustomBuildStep>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions>/Brepro %(AdditionalOptions)</AdditionalOptions>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
       <Profile>false</Profile>
@@ -505,7 +505,7 @@
       <Outputs>$(ProjectDir)$(Platform)\$(ConfigurationName)\ovpn-dco.DVL.XML</Outputs>
     </CustomBuildStep>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions>/Brepro %(AdditionalOptions)</AdditionalOptions>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
       <Profile>false</Profile>
@@ -526,7 +526,7 @@
       <PreprocessorDefinitions>OVPN_DCO_VERSION_MAJOR=$(OVPN_DCO_VERSION_MAJOR);OVPN_DCO_VERSION_MINOR=$(OVPN_DCO_VERSION_MINOR);OVPN_DCO_VERSION_PATCH=$(OVPN_DCO_VERSION_PATCH);OVPN_DCO_VERSION_STR=$(OVPN_DCO_VERSION_MAJOR).$(OVPN_DCO_VERSION_MINOR).$(OVPN_DCO_VERSION_PATCH);NETADAPTER_VERSION_MAJOR=$(NETADAPTER_VERSION_MAJOR);NETADAPTER_VERSION_MINOR=$(NETADAPTER_VERSION_MINOR);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PreBuildEvent>
       <Command>
@@ -550,7 +550,7 @@
       <PreprocessorDefinitions>OVPN_DCO_VERSION_MAJOR=$(OVPN_DCO_VERSION_MAJOR);OVPN_DCO_VERSION_MINOR=$(OVPN_DCO_VERSION_MINOR);OVPN_DCO_VERSION_PATCH=$(OVPN_DCO_VERSION_PATCH);OVPN_DCO_VERSION_STR=$(OVPN_DCO_VERSION_MAJOR).$(OVPN_DCO_VERSION_MINOR).$(OVPN_DCO_VERSION_PATCH);NETADAPTER_VERSION_MAJOR=$(NETADAPTER_VERSION_MAJOR);NETADAPTER_VERSION_MINOR=$(NETADAPTER_VERSION_MINOR);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PreBuildEvent>
       <Command>
@@ -580,7 +580,7 @@
       <Outputs>$(ProjectDir)$(Platform)\$(ConfigurationName)\ovpn-dco.DVL.XML</Outputs>
     </CustomBuildStep>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions>/Brepro %(AdditionalOptions)</AdditionalOptions>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
       <Profile>false</Profile>
@@ -607,7 +607,7 @@
       <Outputs>$(ProjectDir)$(Platform)\$(ConfigurationName)\ovpn-dco.DVL.XML</Outputs>
     </CustomBuildStep>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions>/Brepro %(AdditionalOptions)</AdditionalOptions>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
       <Profile>false</Profile>
@@ -628,7 +628,7 @@
       <PreprocessorDefinitions>OVPN_DCO_VERSION_MAJOR=$(OVPN_DCO_VERSION_MAJOR);OVPN_DCO_VERSION_MINOR=$(OVPN_DCO_VERSION_MINOR);OVPN_DCO_VERSION_PATCH=$(OVPN_DCO_VERSION_PATCH);OVPN_DCO_VERSION_STR=$(OVPN_DCO_VERSION_MAJOR).$(OVPN_DCO_VERSION_MINOR).$(OVPN_DCO_VERSION_PATCH);NETADAPTER_VERSION_MAJOR=$(NETADAPTER_VERSION_MAJOR);NETADAPTER_VERSION_MINOR=$(NETADAPTER_VERSION_MINOR);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <Inf />
     <DriverSign>
@@ -644,7 +644,7 @@
       <PreprocessorDefinitions>OVPN_DCO_VERSION_MAJOR=$(OVPN_DCO_VERSION_MAJOR);OVPN_DCO_VERSION_MINOR=$(OVPN_DCO_VERSION_MINOR);OVPN_DCO_VERSION_PATCH=$(OVPN_DCO_VERSION_PATCH);OVPN_DCO_VERSION_STR=$(OVPN_DCO_VERSION_MAJOR).$(OVPN_DCO_VERSION_MINOR).$(OVPN_DCO_VERSION_PATCH);NETADAPTER_VERSION_MAJOR=$(NETADAPTER_VERSION_MAJOR);NETADAPTER_VERSION_MINOR=$(NETADAPTER_VERSION_MINOR);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <Inf />
     <DriverSign>
@@ -661,7 +661,7 @@
       <UseFullPaths>false</UseFullPaths>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions>/Brepro %(AdditionalOptions)</AdditionalOptions>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
       <Profile>false</Profile>
@@ -683,7 +683,7 @@
       <UseFullPaths>false</UseFullPaths>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions>/Brepro %(AdditionalOptions)</AdditionalOptions>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
       <Profile>false</Profile>
@@ -710,7 +710,7 @@
       <Outputs>$(ProjectDir)$(Platform)\$(ConfigurationName)\ovpn-dco.DVL.XML</Outputs>
     </CustomBuildStep>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions>/Brepro %(AdditionalOptions)</AdditionalOptions>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
       <Profile>false</Profile>
@@ -737,7 +737,7 @@
       <Outputs>$(ProjectDir)$(Platform)\$(ConfigurationName)\ovpn-dco.DVL.XML</Outputs>
     </CustomBuildStep>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions>/Brepro %(AdditionalOptions)</AdditionalOptions>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
       <Profile>false</Profile>
@@ -758,7 +758,7 @@
       <PreprocessorDefinitions>OVPN_DCO_VERSION_MAJOR=$(OVPN_DCO_VERSION_MAJOR);OVPN_DCO_VERSION_MINOR=$(OVPN_DCO_VERSION_MINOR);OVPN_DCO_VERSION_PATCH=$(OVPN_DCO_VERSION_PATCH);OVPN_DCO_VERSION_STR=$(OVPN_DCO_VERSION_MAJOR).$(OVPN_DCO_VERSION_MINOR).$(OVPN_DCO_VERSION_PATCH);NETADAPTER_VERSION_MAJOR=$(NETADAPTER_VERSION_MAJOR);NETADAPTER_VERSION_MINOR=$(NETADAPTER_VERSION_MINOR);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <Inf />
     <DriverSign>
@@ -774,7 +774,7 @@
       <PreprocessorDefinitions>OVPN_DCO_VERSION_MAJOR=$(OVPN_DCO_VERSION_MAJOR);OVPN_DCO_VERSION_MINOR=$(OVPN_DCO_VERSION_MINOR);OVPN_DCO_VERSION_PATCH=$(OVPN_DCO_VERSION_PATCH);OVPN_DCO_VERSION_STR=$(OVPN_DCO_VERSION_MAJOR).$(OVPN_DCO_VERSION_MINOR).$(OVPN_DCO_VERSION_PATCH);NETADAPTER_VERSION_MAJOR=$(NETADAPTER_VERSION_MAJOR);NETADAPTER_VERSION_MINOR=$(NETADAPTER_VERSION_MINOR);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>uuid.lib;Netio.lib;cng.lib;Wdmsec.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <Inf />
     <DriverSign>