diff --git a/ext/installfiles/windows/ZeroTier One.aip b/ext/installfiles/windows/ZeroTier One.aip
index 147094f93..383ff625c 100644
--- a/ext/installfiles/windows/ZeroTier One.aip	
+++ b/ext/installfiles/windows/ZeroTier One.aip	
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<DOCUMENT Type="Advanced Installer" CreateVersion="10.9" version="12.5" Modules="enterprise" RootPath="." Language="en" Id="{DC564647-6BF0-4550-87F4-89C938D0159C}">
+<DOCUMENT Type="Advanced Installer" CreateVersion="10.9" version="12.5.1" Modules="enterprise" RootPath="." Language="en" Id="{DC564647-6BF0-4550-87F4-89C938D0159C}">
   <COMPONENT cid="caphyon.advinst.msicomp.ProjectOptionsComponent">
     <ROW Name="HiddenItems" Value="UpdaterComponent;SerValComponent;AutorunComponent;MultipleInstancesComponent;MsiJavaComponent;MsiRegsComponent;MsiExtComponent;MsiAssemblyComponent;MsiDriverPackagesComponent;AnalyticsComponent;ActSyncAppComponent;MsiMergeModsComponent;MsiThemeComponent;BackgroundImagesComponent;DictionaryComponent;MsiEnvComponent;ScheduledTasksComponent;CPLAppletComponent;GameUxComponent;UserAccountsComponent;MsiClassComponent;WebApplicationsComponent;MsiOdbcDataSrcComponent;SqlConnectionComponent;SharePointSlnComponent;SilverlightSlnComponent;MsiAppSearchComponent"/>
   </COMPONENT>
@@ -26,10 +26,10 @@
     <ROW Property="CTRLS" Value="2"/>
     <ROW Property="MSIFASTINSTALL" MultiBuildValue="DefaultBuild:2"/>
     <ROW Property="Manufacturer" Value="ZeroTier, Inc."/>
-    <ROW Property="ProductCode" Value="1033:{E517BA79-1770-4556-B7A4-622434A9982B} " Type="16"/>
+    <ROW Property="ProductCode" Value="1033:{8C736E22-3E6F-478D-B358-65DD687E9CF3} " Type="16"/>
     <ROW Property="ProductLanguage" Value="1033"/>
     <ROW Property="ProductName" Value="ZeroTier One"/>
-    <ROW Property="ProductVersion" Value="1.1.0" Type="32"/>
+    <ROW Property="ProductVersion" Value="1.1.2" Type="32"/>
     <ROW Property="REBOOT" MultiBuildValue="DefaultBuild:ReallySuppress"/>
     <ROW Property="RUNAPPLICATION" Value="1" Type="4"/>
     <ROW Property="SecureCustomProperties" Value="OLDPRODUCTS;AI_NEWERPRODUCTFOUND"/>
@@ -59,7 +59,7 @@
     <ROW Directory="x86_Dir" Directory_Parent="tapwindows_Dir" DefaultDir="x86"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiCompsComponent">
-    <ROW Component="AI_CustomARPName" ComponentId="{CD637A90-1485-4337-ABA6-C58C97157356}" Directory_="APPDIR" Attributes="4" KeyPath="DisplayName" Options="1"/>
+    <ROW Component="AI_CustomARPName" ComponentId="{0F49E5E5-7D43-4204-A667-51FDF0BA9549}" Directory_="APPDIR" Attributes="4" KeyPath="DisplayName" Options="1"/>
     <ROW Component="AI_DisableModify" ComponentId="{020DCABD-5D56-49B9-AF48-F07F0B55E590}" Directory_="APPDIR" Attributes="4" KeyPath="NoModify" Options="1"/>
     <ROW Component="Newtonsoft.Json.dll" ComponentId="{0B2F229D-5425-42FB-9E28-F6D25AB2B4B5}" Directory_="APPDIR" Attributes="0" KeyPath="Newtonsoft.Json.dll"/>
     <ROW Component="ProductInformation" ComponentId="{DB078D04-EA8E-4A7C-9001-89BAD932F9D9}" Directory_="APPDIR" Attributes="4" KeyPath="Version"/>
@@ -338,7 +338,7 @@
     <ROW XmlAttribute="xsischemaLocation" XmlElement="swidsoftware_identification_tag" Name="xsi:schemaLocation" Flags="14" Order="3" Value="http://standards.iso.org/iso/19770/-2/2008/schema.xsd software_identification_tag.xsd"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.XmlElementComponent">
-    <ROW XmlElement="swidbuild" ParentElement="swidnumeric" Name="swid:build" Condition="1" Order="2" Flags="14" Text="0"/>
+    <ROW XmlElement="swidbuild" ParentElement="swidnumeric" Name="swid:build" Condition="1" Order="2" Flags="14" Text="2"/>
     <ROW XmlElement="swidentitlement_required_indicator" ParentElement="swidsoftware_identification_tag" Name="swid:entitlement_required_indicator" Condition="1" Order="0" Flags="14" Text="false"/>
     <ROW XmlElement="swidmajor" ParentElement="swidnumeric" Name="swid:major" Condition="1" Order="0" Flags="14" Text="1"/>
     <ROW XmlElement="swidminor" ParentElement="swidnumeric" Name="swid:minor" Condition="1" Order="1" Flags="14" Text="1"/>
diff --git a/ext/libnatpmp/natpmp.c b/ext/libnatpmp/natpmp.c
index 3a4981292..9843c41e1 100644
--- a/ext/libnatpmp/natpmp.c
+++ b/ext/libnatpmp/natpmp.c
@@ -39,8 +39,12 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #include <io.h>
+#ifndef EWOULDBLOCK
 #define EWOULDBLOCK WSAEWOULDBLOCK
+#endif
+#ifndef ECONNREFUSED
 #define ECONNREFUSED WSAECONNREFUSED
+#endif
 #include "wingettimeofday.h"
 #define gettimeofday natpmp_gettimeofday
 #else
diff --git a/osdep/PortMapper.cpp b/osdep/PortMapper.cpp
index 87c886c2a..03e2648f5 100644
--- a/osdep/PortMapper.cpp
+++ b/osdep/PortMapper.cpp
@@ -40,10 +40,14 @@
 #include "OSUtils.hpp"
 #include "PortMapper.hpp"
 
+// These must be defined to get rid of dynamic export stuff in libminiupnpc and libnatpmp
 #ifdef __WINDOWS__
 #ifndef MINIUPNP_STATICLIB
 #define MINIUPNP_STATICLIB
 #endif
+#ifndef STATICLIB
+#define STATICLIB
+#endif
 #endif
 
 #include "../ext/miniupnpc/miniupnpc.h"
diff --git a/version.h b/version.h
index eb95635c0..71d9ca615 100644
--- a/version.h
+++ b/version.h
@@ -41,6 +41,6 @@
 /**
  * Revision
  */
-#define ZEROTIER_ONE_VERSION_REVISION 1
+#define ZEROTIER_ONE_VERSION_REVISION 2
 
 #endif
diff --git a/windows/ZeroTierOne/ZeroTierOne.vcxproj b/windows/ZeroTierOne/ZeroTierOne.vcxproj
index 5da01505a..19cd9daf0 100644
--- a/windows/ZeroTierOne/ZeroTierOne.vcxproj
+++ b/windows/ZeroTierOne/ZeroTierOne.vcxproj
@@ -21,6 +21,9 @@
   <ItemGroup>
     <ClCompile Include="..\..\ext\http-parser\http_parser.c" />
     <ClCompile Include="..\..\ext\json-parser\json.c" />
+    <ClCompile Include="..\..\ext\libnatpmp\getgateway.c" />
+    <ClCompile Include="..\..\ext\libnatpmp\natpmp.c" />
+    <ClCompile Include="..\..\ext\libnatpmp\wingettimeofday.c" />
     <ClCompile Include="..\..\ext\lz4\lz4.c" />
     <ClCompile Include="..\..\ext\miniupnpc\connecthostport.c" />
     <ClCompile Include="..\..\ext\miniupnpc\igd_desc_parse.c" />
@@ -64,7 +67,7 @@
     <ClCompile Include="..\..\osdep\BackgroundResolver.cpp" />
     <ClCompile Include="..\..\osdep\Http.cpp" />
     <ClCompile Include="..\..\osdep\OSUtils.cpp" />
-    <ClCompile Include="..\..\osdep\UPNPClient.cpp" />
+    <ClCompile Include="..\..\osdep\PortMapper.cpp" />
     <ClCompile Include="..\..\osdep\WindowsEthernetTap.cpp" />
     <ClCompile Include="..\..\service\ControlPlane.cpp" />
     <ClCompile Include="..\..\service\OneService.cpp" />
@@ -91,6 +94,9 @@
     <ClInclude Include="..\..\ext\bin\miniupnpc\include\miniupnpc\upnpreplyparse.h" />
     <ClInclude Include="..\..\ext\http-parser\http_parser.h" />
     <ClInclude Include="..\..\ext\json-parser\json.h" />
+    <ClInclude Include="..\..\ext\libnatpmp\getgateway.h" />
+    <ClInclude Include="..\..\ext\libnatpmp\natpmp.h" />
+    <ClInclude Include="..\..\ext\libnatpmp\wingettimeofday.h" />
     <ClInclude Include="..\..\ext\lz4\lz4.h" />
     <ClInclude Include="..\..\ext\miniupnpc\codelength.h" />
     <ClInclude Include="..\..\ext\miniupnpc\connecthostport.h" />
@@ -154,8 +160,8 @@
     <ClInclude Include="..\..\osdep\Http.hpp" />
     <ClInclude Include="..\..\osdep\OSUtils.hpp" />
     <ClInclude Include="..\..\osdep\Phy.hpp" />
+    <ClInclude Include="..\..\osdep\PortMapper.hpp" />
     <ClInclude Include="..\..\osdep\Thread.hpp" />
-    <ClInclude Include="..\..\osdep\UPNPClient.hpp" />
     <ClInclude Include="..\..\osdep\WindowsEthernetTap.hpp" />
     <ClInclude Include="..\..\service\ControlPlane.hpp" />
     <ClInclude Include="..\..\service\ControlPlaneSubsystem.hpp" />
@@ -243,7 +249,7 @@
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>
       </AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>NOMINMAX;ZT_TRACE;ZT_USE_MINIUPNPC;MINIUPNP_STATICLIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;STATICLIB;WIN32;ZT_TRACE;ZT_USE_MINIUPNPC;MINIUPNP_STATICLIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -258,7 +264,7 @@
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>
       </AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>NOMINMAX;ZT_TRACE;ZT_USE_MINIUPNPC;MINIUPNP_STATICLIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;STATICLIB;WIN32;ZT_TRACE;ZT_USE_MINIUPNPC;MINIUPNP_STATICLIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MultiProcessorCompilation>false</MultiProcessorCompilation>
     </ClCompile>
     <Link>
@@ -276,7 +282,7 @@
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>
       </AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>ZT_OFFICIAL_RELEASE;ZT_AUTO_UPDATE;ZT_SALSA20_SSE;ZT_USE_MINIUPNPC;MINIUPNP_STATICLIB;NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>STATICLIB;ZT_OFFICIAL_RELEASE;ZT_AUTO_UPDATE;ZT_SALSA20_SSE;ZT_USE_MINIUPNPC;MINIUPNP_STATICLIB;WIN32;NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <StringPooling>true</StringPooling>
@@ -301,7 +307,7 @@
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>
       </AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>ZT_OFFICIAL_RELEASE;ZT_AUTO_UPDATE;ZT_SALSA20_SSE;ZT_USE_MINIUPNPC;MINIUPNP_STATICLIB;NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>STATICLIB;ZT_OFFICIAL_RELEASE;ZT_AUTO_UPDATE;ZT_SALSA20_SSE;ZT_USE_MINIUPNPC;MINIUPNP_STATICLIB;WIN32;NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <EnableEnhancedInstructionSet>NotSet</EnableEnhancedInstructionSet>
       <StringPooling>true</StringPooling>
diff --git a/windows/ZeroTierOne/ZeroTierOne.vcxproj.filters b/windows/ZeroTierOne/ZeroTierOne.vcxproj.filters
index 6475137c4..946464ea6 100644
--- a/windows/ZeroTierOne/ZeroTierOne.vcxproj.filters
+++ b/windows/ZeroTierOne/ZeroTierOne.vcxproj.filters
@@ -85,6 +85,12 @@
     <Filter Include="Source Files\ext\miniupnpc">
       <UniqueIdentifier>{56cc3ab8-3336-4a22-9471-c267ee46cd54}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Header Files\ext\libnatpmp">
+      <UniqueIdentifier>{d7292d0d-72a0-4ed6-b717-21debb120737}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source Files\ext\libnatpmp">
+      <UniqueIdentifier>{409ec37e-ff36-4c13-b18d-52d6052e0ca2}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\service\ControlPlane.cpp">
@@ -186,9 +192,6 @@
     <ClCompile Include="..\..\osdep\BackgroundResolver.cpp">
       <Filter>Source Files\osdep</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\osdep\UPNPClient.cpp">
-      <Filter>Source Files\osdep</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\node\Path.cpp">
       <Filter>Source Files\node</Filter>
     </ClCompile>
@@ -237,6 +240,18 @@
     <ClCompile Include="..\..\ext\miniupnpc\upnpreplyparse.c">
       <Filter>Source Files\ext\miniupnpc</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\osdep\PortMapper.cpp">
+      <Filter>Source Files\osdep</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\ext\libnatpmp\getgateway.c">
+      <Filter>Source Files\ext\libnatpmp</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\ext\libnatpmp\natpmp.c">
+      <Filter>Source Files\ext\libnatpmp</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\ext\libnatpmp\wingettimeofday.c">
+      <Filter>Source Files\ext\libnatpmp</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="resource.h">
@@ -401,9 +416,6 @@
     <ClInclude Include="..\..\osdep\BackgroundResolver.hpp">
       <Filter>Header Files\osdep</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\osdep\UPNPClient.hpp">
-      <Filter>Header Files\osdep</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\ext\bin\miniupnpc\include\miniupnpc\codelength.h">
       <Filter>Header Files\ext\bin\miniupnpc\include</Filter>
     </ClInclude>
@@ -515,6 +527,18 @@
     <ClInclude Include="..\..\ext\miniupnpc\upnpreplyparse.h">
       <Filter>Header Files\ext\miniupnpc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\osdep\PortMapper.hpp">
+      <Filter>Header Files\osdep</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ext\libnatpmp\getgateway.h">
+      <Filter>Header Files\ext\libnatpmp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ext\libnatpmp\natpmp.h">
+      <Filter>Header Files\ext\libnatpmp</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ext\libnatpmp\wingettimeofday.h">
+      <Filter>Header Files\ext\libnatpmp</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="ZeroTierOne.rc">