diff --git a/ext/installfiles/windows/ZeroTier One.aip b/ext/installfiles/windows/ZeroTier One.aip
index d45f306e6..4be09951e 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="12.0" Modules="enterprise" RootPath="." Language="en" Id="{DC564647-6BF0-4550-87F4-89C938D0159C}">
+<DOCUMENT Type="Advanced Installer" CreateVersion="10.9" version="12.1" 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>
@@ -23,7 +23,7 @@
     <ROW Property="CTRLS" Value="2"/>
     <ROW Property="MSIFASTINSTALL" MultiBuildValue="DefaultBuild:2"/>
     <ROW Property="Manufacturer" Value="ZeroTier, Inc."/>
-    <ROW Property="ProductCode" Value="1033:{0791191F-D1A5-4C66-862C-E1C5C3355383} " Type="16"/>
+    <ROW Property="ProductCode" Value="1033:{935C8724-0E87-4178-A29A-007508B15436} " Type="16"/>
     <ROW Property="ProductLanguage" Value="1033"/>
     <ROW Property="ProductName" Value="ZeroTier One"/>
     <ROW Property="ProductVersion" Value="1.0.3" Type="32"/>
@@ -123,8 +123,8 @@
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.FirewallExceptionComponent">
     <ROW FirewallException="ZeroTierOne" DisplayName="ZeroTier One (UDP_9993)" GroupName="ZeroTierOne" Enabled="1" Scope="*" Condition="1" Profiles="7" Port="9993" Protocol="UDP"/>
-    <ROW FirewallException="ZeroTierOneService_x64" DisplayName="ZeroTier One (Service_x64)" GroupName="ZeroTierOne" Enabled="1" Scope="*" Condition="((?zerotierone_x64.exe=2) AND ($zerotierone_x64.exe=3))" Profiles="7" AppPath="[#zerotierone_x64.exe]"/>
-    <ROW FirewallException="ZeroTierOneService_x86" DisplayName="ZeroTier One (Service_x86)" GroupName="ZeroTierOne" Enabled="1" Scope="*" Condition="((?zerotierone_x86.exe=2) AND ($zerotierone_x86.exe=3))" Profiles="7" AppPath="[#zerotierone_x86.exe]"/>
+    <ROW FirewallException="ZeroTierOneService_x64" DisplayName="ZeroTier One (Service_x64)" GroupName="ZeroTierOne" Enabled="1" Scope="*" Condition="((?zerotierone_x64.exe=2) AND ($zerotierone_x64.exe=3))" Profiles="7" AppPath="[#zerotierone_x64.exe]" Protocol="ANY"/>
+    <ROW FirewallException="ZeroTierOneService_x86" DisplayName="ZeroTier One (Service_x86)" GroupName="ZeroTierOne" Enabled="1" Scope="*" Condition="((?zerotierone_x86.exe=2) AND ($zerotierone_x86.exe=3))" Profiles="7" AppPath="[#zerotierone_x86.exe]" Protocol="ANY"/>
     <ROW FirewallException="ZeroTierOneTCP_9993" DisplayName="ZeroTier One (TCP_9993)" GroupName="ZeroTierOne" Enabled="1" Scope="*" Condition="1" Profiles="7" Port="9993" Protocol="TCP"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.FragmentComponent">
@@ -205,7 +205,6 @@
     <ROW Action="AI_CommitChainers" Type="11841" Source="chainersupport.dll" Target="CommitChainedPackages" WithoutSeq="true"/>
     <ROW Action="AI_DATA_SETTER" Type="51" Source="CustomActionData" Target="[~]"/>
     <ROW Action="AI_DATA_SETTER_1" Type="51" Source="CustomActionData" Target="[~]"/>
-    <ROW Action="AI_DATA_SETTER_2" Type="51" Source="MakeSureServiceIsStopped" Target="ZeroTierOneService"/>
     <ROW Action="AI_DATA_SETTER_3" Type="51" Source="CustomActionData" Target="[~]"/>
     <ROW Action="AI_DATA_SETTER_4" Type="51" Source="CustomActionData" Target="[~]"/>
     <ROW Action="AI_DOWNGRADE" Type="19" Target="4010"/>
@@ -235,7 +234,6 @@
     <ROW Action="AI_XmlRemove" Type="11265" Source="xmlCfg.dll" Target="OnXmlRemove" WithoutSeq="true"/>
     <ROW Action="AI_XmlRollback" Type="11521" Source="xmlCfg.dll" Target="OnXmlRollback" WithoutSeq="true"/>
     <ROW Action="AI_XmlUninstall" Type="1" Source="xmlCfg.dll" Target="OnXmlUninstall" AdditionalSeq="AI_DATA_SETTER_1"/>
-    <ROW Action="MakeSureServiceIsStopped" Type="3137" Source="aicustact.dll" Target="StopWinService" Options="1" AdditionalSeq="AI_DATA_SETTER_2"/>
     <ROW Action="SET_APPDIR" Type="307" Source="APPDIR" Target="[ProgramFilesFolder][Manufacturer]\[ProductName]" MultiBuildTarget="DefaultBuild:[ProgramFilesFolder]ZeroTier\One"/>
     <ROW Action="SET_SHORTCUTDIR" Type="307" Source="SHORTCUTDIR" Target="[ProgramMenuFolder][ProductName]" MultiBuildTarget="DefaultBuild:[ProgramMenuFolder]"/>
     <ROW Action="SET_TARGETDIR_TO_APPDIR" Type="51" Source="TARGETDIR" Target="[APPDIR]"/>
@@ -253,7 +251,7 @@
   <COMPONENT cid="caphyon.advinst.msicomp.MsiInstExSeqComponent">
     <ROW Action="AI_DOWNGRADE" Condition="AI_NEWERPRODUCTFOUND AND (UILevel &lt;&gt; 5)" Sequence="210"/>
     <ROW Action="AI_RESTORE_LOCATION" Condition="APPDIR=&quot;&quot;" Sequence="749"/>
-    <ROW Action="AI_STORE_LOCATION" Condition="(Not Installed) OR REINSTALL" Sequence="1504"/>
+    <ROW Action="AI_STORE_LOCATION" Condition="(Not Installed) OR REINSTALL" Sequence="1502"/>
     <ROW Action="AI_PREPARE_UPGRADE" Condition="AI_UPGRADE=&quot;No&quot; AND (Not Installed)" Sequence="1399"/>
     <ROW Action="AI_ResolveKnownFolders" Sequence="51"/>
     <ROW Action="AI_PrepareShortcutFlags" Condition="(VersionNT &gt; 501) AND ((NOT Installed) OR (Installed AND (REMOVE&lt;&gt;&quot;ALL&quot;) AND (AI_INSTALL_MODE&lt;&gt;&quot;Remove&quot;)))" Sequence="4501"/>
@@ -262,8 +260,6 @@
     <ROW Action="AI_XmlUninstall" Condition="(REMOVE)" Sequence="3102"/>
     <ROW Action="AI_DATA_SETTER_1" Condition="(REMOVE)" Sequence="3101"/>
     <ROW Action="InstallFinalize" Sequence="6596" SeqType="0" MsiKey="InstallFinalize"/>
-    <ROW Action="MakeSureServiceIsStopped" Condition="( Installed AND ( REMOVE = &quot;ALL&quot; OR AI_INSTALL_MODE = &quot;Remove&quot; ) )" Sequence="1503"/>
-    <ROW Action="AI_DATA_SETTER_2" Condition="( Installed AND ( REMOVE = &quot;ALL&quot; OR AI_INSTALL_MODE = &quot;Remove&quot; ) )" Sequence="1502"/>
     <ROW Action="AI_RemoveExternalUIStub" Condition="(REMOVE=&quot;ALL&quot;) AND ((VersionNT &gt; 500) OR((VersionNT = 500) AND (ServicePackLevel &gt;= 4)))" Sequence="1501"/>
     <ROW Action="AI_GetArpIconPath" Sequence="1401"/>
     <ROW Action="TapDeviceRemove32_NDIS6" Condition="( Installed AND ( REMOVE = &quot;ALL&quot; OR AI_INSTALL_MODE = &quot;Remove&quot; ) AND NOT UPGRADINGPRODUCTCODE ) AND ( NOT VersionNT64 )" Sequence="1602"/>
@@ -314,8 +310,8 @@
     <ROW Registry="VersionMinor" Root="-1" Key="Software\Microsoft\Windows\CurrentVersion\Uninstall\[ProductName] [ProductVersion]" Name="VersionMinor" Value="#7" Component_="AI_CustomARPName"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiServCtrlComponent">
-    <ROW ServiceControl="zerotierone_x64.exe" Name="ZeroTierOneService" Event="161" Wait="1" Component_="zerotierone_x64.exe"/>
-    <ROW ServiceControl="zerotierone_x86.exe" Name="ZeroTierOneService" Event="161" Wait="1" Component_="zerotierone_x86.exe"/>
+    <ROW ServiceControl="zerotierone_x64.exe" Name="ZeroTierOneService" Event="163" Wait="1" Component_="zerotierone_x64.exe"/>
+    <ROW ServiceControl="zerotierone_x86.exe" Name="ZeroTierOneService" Event="163" Wait="1" Component_="zerotierone_x86.exe"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiServInstComponent">
     <ROW ServiceInstall="zerotierone_x64.exe" Name="ZeroTierOneService" DisplayName="ZeroTier One" ServiceType="16" StartType="2" ErrorControl="32769" Component_="zerotierone_x64.exe" Description="Ethernet Virtualization Service"/>
diff --git a/osdep/WindowsEthernetTap.cpp b/osdep/WindowsEthernetTap.cpp
index 4a5d32a48..1cea0d96c 100644
--- a/osdep/WindowsEthernetTap.cpp
+++ b/osdep/WindowsEthernetTap.cpp
@@ -594,7 +594,10 @@ void WindowsEthernetTap::threadMain()
 
 	Utils::snprintf(tapPath,sizeof(tapPath),"\\\\.\\Global\\%s.tap",_netCfgInstanceId.c_str());
 	int prevTapResetStatus = _systemTapResetStatus;
+	bool throwOneAway = true; // "Power cycle" the network port once on startup, because Windows...
 	while (_run) {
+		Sleep(500);
+
 		_tap = CreateFileA(tapPath,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_SYSTEM|FILE_FLAG_OVERLAPPED,NULL);
 		if (_tap == INVALID_HANDLE_VALUE) {
 			fprintf(stderr,"Error opening %s -- retrying.\r\n",tapPath);
@@ -698,7 +701,8 @@ void WindowsEthernetTap::threadMain()
 		ReadFile(_tap,tapReadBuf,sizeof(tapReadBuf),NULL,&tapOvlRead);
 		bool writeInProgress = false;
 		while (_run) {
-			if (prevTapResetStatus != _systemTapResetStatus) {
+			if ((prevTapResetStatus != _systemTapResetStatus)||(throwOneAway)) {
+				throwOneAway = false;
 				prevTapResetStatus = _systemTapResetStatus;
 				break; // this will cause us to close and reopen the tap
 			}
diff --git a/service/OneService.cpp b/service/OneService.cpp
index fc2fba419..a566449fa 100644
--- a/service/OneService.cpp
+++ b/service/OneService.cpp
@@ -523,7 +523,7 @@ public:
 	{
 		TcpConnection *tc = reinterpret_cast<TcpConnection *>(*uptr);
 		if (tc->writeBuf.length()) {
-			long sent = _phy.tcpSend(sock,tc->writeBuf.data(),tc->writeBuf.length(),true);
+			long sent = (long)_phy.tcpSend(sock,tc->writeBuf.data(),(unsigned long)tc->writeBuf.length(),true);
 			if (sent > 0) {
 				tc->lastActivity = OSUtils::now();
 				if ((unsigned long)sent == (unsigned long)tc->writeBuf.length()) {