diff --git a/alethzero/CMakeLists.txt b/alethzero/CMakeLists.txt
index bda66ede2..595668cd1 100644
--- a/alethzero/CMakeLists.txt
+++ b/alethzero/CMakeLists.txt
@@ -42,9 +42,6 @@ eth_add_executable(${EXECUTABLE}
 
 add_dependencies(${EXECUTABLE} BuildInfo.h)
 
-if(WIN32)
-	target_link_libraries(${EXECUTABLE} Iphlpapi)
-endif()
 target_link_libraries(${EXECUTABLE} Qt5::Core)
 target_link_libraries(${EXECUTABLE} Qt5::Widgets)
 target_link_libraries(${EXECUTABLE} Qt5::WebEngine)
diff --git a/cmake/EthCompilerSettings.cmake b/cmake/EthCompilerSettings.cmake
index 0d6fd7907..dcf2e19b8 100644
--- a/cmake/EthCompilerSettings.cmake
+++ b/cmake/EthCompilerSettings.cmake
@@ -37,13 +37,15 @@ elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
 	# disable warning C4535: calling _set_se_translator() requires /EHa (for boost tests)
 	# declare Windows XP requirement
 	# undefine windows.h MAX && MIN macros cause it cause conflicts with std::min && std::max functions
-	add_compile_options(/MP /EHsc /wd4068 /wd4996 /wd4503 -D_WIN32_WINNT=0x0501 /DNOMINMAX)
+	# define miniupnp static library
+	add_compile_options(/MP /EHsc /wd4068 /wd4996 /wd4503 -D_WIN32_WINNT=0x0501 /DNOMINMAX /DMINIUPNP_STATICLIB)
 	# disable empty object file warning
 	set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /ignore:4221")
 	# warning LNK4075: ignoring '/EDITANDCONTINUE' due to '/SAFESEH' specification 
 	# warning LNK4099: pdb was not found with lib
 	# stack size 16MB
 	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ignore:4099,4075 /STACK:16777216")
+
 	# windows likes static
 	if (NOT ETH_STATIC)
 		message("Forcing static linkage for MSVC.")
diff --git a/cmake/EthDependencies.cmake b/cmake/EthDependencies.cmake
index 7f0578c1f..9a18a98e7 100644
--- a/cmake/EthDependencies.cmake
+++ b/cmake/EthDependencies.cmake
@@ -23,10 +23,11 @@ set(ETH_SCRIPTS_DIR ${CMAKE_SOURCE_DIR}/cmake/scripts)
 # TODO use proper version of windows SDK (32 vs 64)
 # TODO make it possible to use older versions of windows SDK (7.0+ should also work)
 # TODO it windows SDK is NOT FOUND, throw ERROR
+# from https://github.com/rpavlik/cmake-modules/blob/master/FindWindowsSDK.cmake
 if (WIN32)
-	set (CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} "C:/Program Files/Windows Kits/8.1/Lib/winv6.3/um/x86")
-	message(" - Found windows 8.1 SDK")
-	#set (CMAKE_PREFIX_PATH "C:/Program Files/Windows Kits/8.1/Lib/winv6.3/um/x64")
+	find_package(WINDOWSSDK REQUIRED)
+	message(" - WindowsSDK dirs: ${WINDOWSSDK_DIRS}")
+	set (CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} ${WINDOWSSDK_DIRS})
 endif()
 
 # homebrew installs qts in opt
diff --git a/cmake/FindMiniupnpc.cmake b/cmake/FindMiniupnpc.cmake
index 1438a8526..0bf8b5c0f 100644
--- a/cmake/FindMiniupnpc.cmake
+++ b/cmake/FindMiniupnpc.cmake
@@ -14,17 +14,32 @@ find_path(
 	MINIUPNPC_INCLUDE_DIR 
 	NAMES miniupnpc/miniupnpc.h
 	DOC "miniupnpc include dir"
-	)
+)
 
 find_library(
 	MINIUPNPC_LIBRARY
 	NAMES miniupnpc
 	DOC "miniupnpc library"
-	)
+)
 
 set(MINIUPNPC_INCLUDE_DIRS ${MINIUPNPC_INCLUDE_DIR})
 set(MINIUPNPC_LIBRARIES ${MINIUPNPC_LIBRARY})
 
+# debug library on windows
+# same naming convention as in QT (appending debug library with d)
+# boost is using the same "hack" as us with "optimized" and "debug"
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+
+	find_library(
+		MINIUPNPC_LIBRARY_DEBUG
+		NAMES miniupnpcd
+		DOC "miniupnpc debug library"
+	)
+
+	set(MINIUPNPC_LIBRARIES "iphlpapi" optimized ${MINIUPNPC_LIBRARIES} debug ${MINIUPNPC_LIBRARY_DEBUG})
+
+endif()
+
 # handle the QUIETLY and REQUIRED arguments and set MINIUPNPC_FOUND to TRUE
 # if all listed variables are TRUE, hide their existence from configuration view
 include(FindPackageHandleStandardArgs)
diff --git a/cmake/FindWindowsSDK.cmake b/cmake/FindWindowsSDK.cmake
new file mode 100644
index 000000000..665a87f04
--- /dev/null
+++ b/cmake/FindWindowsSDK.cmake
@@ -0,0 +1,322 @@
+# - Find the Windows SDK aka Platform SDK
+#
+# Relevant Wikipedia article: http://en.wikipedia.org/wiki/Microsoft_Windows_SDK
+#
+# Variables:
+#  WINDOWSSDK_FOUND - if any version of the windows or platform SDK was found that is usable with the current version of visual studio
+#  WINDOWSSDK_LATEST_DIR
+#  WINDOWSSDK_LATEST_NAME
+#  WINDOWSSDK_FOUND_PREFERENCE - if we found an entry indicating a "preferred" SDK listed for this visual studio version
+#  WINDOWSSDK_PREFERRED_DIR
+#  WINDOWSSDK_PREFERRED_NAME
+#
+#  WINDOWSSDK_DIRS - contains no duplicates, ordered most recent first.
+#  WINDOWSSDK_PREFERRED_FIRST_DIRS - contains no duplicates, ordered with preferred first, followed by the rest in descending recency
+#
+# Functions:
+#  windowssdk_name_lookup(<directory> <output variable>) - Find the name corresponding with the SDK directory you pass in, or
+#     NOTFOUND if not recognized. Your directory must be one of WINDOWSSDK_DIRS for this to work.
+#
+#  get_windowssdk_from_component(<file or dir> <output variable>) - Given a library or include dir,
+#     find the Windows SDK root dir corresponding to it, or NOTFOUND if unrecognized.
+#
+#  get_windowssdk_library_dirs(<directory> <output variable>) - Find the architecture-appropriate
+#     library directories corresponding to the SDK directory you pass in (or NOTFOUND if none)
+#
+#  get_windowssdk_include_dirs(<directory> <output variable>) - Find the
+#     include directories corresponding to the SDK directory you pass in (or NOTFOUND if none)
+#
+# Requires these CMake modules:
+#  FindPackageHandleStandardArgs (known included with CMake >=2.6.2)
+#
+# Original Author:
+# 2012 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
+# http://academic.cleardefinition.com
+# Iowa State University HCI Graduate Program/VRAC
+#
+# Copyright Iowa State University 2012.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+set(_preferred_sdk_dirs)
+set(_win_sdk_dirs)
+set(_win_sdk_versanddirs)
+if(MSVC_VERSION GREATER 1310) # Newer than VS .NET/VS Toolkit 2003
+
+	# Environment variable for SDK dir
+	if(EXISTS "$ENV{WindowsSDKDir}" AND (NOT "$ENV{WindowsSDKDir}" STREQUAL ""))
+		message(STATUS "Got $ENV{WindowsSDKDir} - Windows/Platform SDK directories: ${_win_sdk_dirs}")
+		list(APPEND _preferred_sdk_dirs "$ENV{WindowsSDKDir}")
+	endif()
+
+	if(MSVC_VERSION LESS 1600)
+		# Per-user current Windows SDK for VS2005/2008
+		get_filename_component(_sdkdir
+			"[HKEY_CURRENT_USER\\Software\\Microsoft\\Microsoft SDKs\\Windows;CurrentInstallFolder]"
+			ABSOLUTE)
+		if(EXISTS "${_sdkdir}")
+			list(APPEND _preferred_sdk_dirs "${_sdkdir}")
+		endif()
+
+		# System-wide current Windows SDK for VS2005/2008
+		get_filename_component(_sdkdir
+			"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows;CurrentInstallFolder]"
+			ABSOLUTE)
+		if(EXISTS "${_sdkdir}")
+			list(APPEND _preferred_sdk_dirs "${_sdkdir}")
+		endif()
+	endif()
+
+	if(MSVC_VERSION LESS 1700)
+		# VC 10 and older has broad target support
+		set(_winsdk_vistaonly)
+	else()
+		# VC 11 by default targets Vista and later only, so we can add a few more SDKs that (might?) only work on vista+
+		if("${CMAKE_VS_PLATFORM_TOOLSET}" MATCHES "_xp")
+			# This is the XP-compatible v110 toolset
+		elseif("${CMAKE_VS_PLATFORM_TOOLSET}" STREQUAL "v100")
+			# This is the VS2010 toolset
+		else()
+			if(NOT WINDOWSSDK_FOUND AND NOT WindowsSDK_FIND_QUIETLY)
+				message(STATUS "FindWindowsSDK: Detected Visual Studio 2012 or newer, not using the _xp toolset variant: including SDK versions that drop XP support in search!")
+			endif()
+			# These versions have no XP (and possibly Vista pre-SP1) support
+			set(_winsdk_vistaonly)
+			if(NOT MSVC_VERSION LESS 1800)
+				list(APPEND _winsdk_vistaonly
+					# Windows Software Development Kit (SDK) for Windows 8.1
+					# http://msdn.microsoft.com/en-gb/windows/desktop/bg162891
+					v8.1)
+			endif()
+			list(APPEND _winsdk_vistaonly
+				# Included in Visual Studio 2012
+				v8.0A
+
+				# Microsoft Windows SDK for Windows 8 and .NET Framework 4.5
+				# This is the first version to also include the DirectX SDK
+				# http://msdn.microsoft.com/en-US/windows/desktop/hh852363.aspx
+				v8.0
+
+				# Microsoft Windows SDK for Windows 7 and .NET Framework 4
+				# http://www.microsoft.com/downloads/en/details.aspx?FamilyID=6b6c21d2-2006-4afa-9702-529fa782d63b
+				v7.1
+				)
+		endif()
+	endif()
+	foreach(_winsdkver
+		${_winsdk_vistaonly}
+
+		# Included in Visual Studio 2013
+		# Includes the v120_xp toolset
+		v8.1A
+
+		# Included with VS 2012 Update 1 or later
+		# Introduces v110_xp toolset
+		v7.1A
+
+		# Included with VS 2010
+		v7.0A
+
+		# Windows SDK for Windows 7 and .NET Framework 3.5 SP1
+		# Works with VC9
+		#http://www.microsoft.com/en-us/download/details.aspx?id=18950
+		v7.0
+
+		# Two versions call themselves "v6.1":
+		# Older:
+		# Windows Vista Update & .NET 3.0 SDK
+		# http://www.microsoft.com/en-us/download/details.aspx?id=14477
+
+		# Newer:
+		# Windows Server 2008 & .NET 3.5 SDK
+		# may have broken VS9SP1? they recommend v7.0 instead, or a KB...
+		# http://www.microsoft.com/en-us/download/details.aspx?id=24826
+		v6.1
+
+		# Included in VS 2008
+		v6.0A
+
+		# Microsoft Windows Software Development Kit for Windows Vista and .NET Framework 3.0 Runtime Components
+		# http://blogs.msdn.com/b/stanley/archive/2006/11/08/microsoft-windows-software-development-kit-for-windows-vista-and-net-framework-3-0-runtime-components.aspx
+		v6.0)
+
+		get_filename_component(_sdkdir
+			"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\${_winsdkver};InstallationFolder]"
+			ABSOLUTE)
+		if(EXISTS "${_sdkdir}")
+			list(APPEND _win_sdk_dirs "${_sdkdir}")
+			list(APPEND
+				_win_sdk_versanddirs
+				"Windows SDK ${_winsdkver}"
+				"${_sdkdir}")
+		endif()
+	endforeach()
+endif()
+if(MSVC_VERSION GREATER 1200)
+	foreach(_platformsdkinfo
+		"D2FF9F89-8AA2-4373-8A31-C838BF4DBBE1_Microsoft Platform SDK for Windows Server 2003 R2"
+		"8F9E5EF3-A9A5-491B-A889-C58EFFECE8B3_Microsoft Platform SDK for Windows Server 2003 SP1")
+		string(SUBSTRING "${_platformsdkinfo}" 0 36 _platformsdkguid)
+		string(SUBSTRING "${_platformsdkinfo}" 37 -1 _platformsdkname)
+		foreach(HIVE HKEY_LOCAL_MACHINE HKEY_CURRENT_USER)
+			get_filename_component(_sdkdir
+				"[${HIVE}\\SOFTWARE\\Microsoft\\MicrosoftSDK\\InstalledSDKs\\${_platformsdkguid};Install Dir]"
+				ABSOLUTE)
+			if(EXISTS "${_sdkdir}")
+				list(APPEND _win_sdk_dirs "${_sdkdir}")
+				list(APPEND _win_sdk_versanddirs "${_platformsdkname}" "${_sdkdir}")
+			endif()
+		endforeach()
+	endforeach()
+endif()
+
+set(_win_sdk_versanddirs
+	"${_win_sdk_versanddirs}"
+	CACHE
+	INTERNAL
+	"mapping between windows sdk version locations and names"
+	FORCE)
+
+function(windowssdk_name_lookup _dir _outvar)
+	list(FIND _win_sdk_versanddirs "${_dir}" _diridx)
+	math(EXPR _nameidx "${_diridx} - 1")
+	if(${_nameidx} GREATER -1)
+		list(GET _win_sdk_versanddirs ${_nameidx} _sdkname)
+	else()
+		set(_sdkname "NOTFOUND")
+	endif()
+	set(${_outvar} "${_sdkname}" PARENT_SCOPE)
+endfunction()
+
+if(_win_sdk_dirs)
+	# Remove duplicates
+	list(REMOVE_DUPLICATES _win_sdk_dirs)
+	list(GET _win_sdk_dirs 0 WINDOWSSDK_LATEST_DIR)
+	windowssdk_name_lookup("${WINDOWSSDK_LATEST_DIR}"
+		WINDOWSSDK_LATEST_NAME)
+	set(WINDOWSSDK_DIRS ${_win_sdk_dirs})
+endif()
+if(_preferred_sdk_dirs)
+	list(GET _preferred_sdk_dirs 0 WINDOWSSDK_PREFERRED_DIR)
+	windowssdk_name_lookup("${WINDOWSSDK_LATEST_DIR}"
+		WINDOWSSDK_PREFERRED_NAME)
+	set(WINDOWSSDK_PREFERRED_FIRST_DIRS
+		${_preferred_sdk_dirs}
+		${_win_sdk_dirs})
+	list(REMOVE_DUPLICATES WINDOWSSDK_PREFERRED_FIRST_DIRS)
+	set(WINDOWSSDK_FOUND_PREFERENCE ON)
+
+	# In case a preferred dir was found that isn't found otherwise
+	#set(WINDOWSSDK_DIRS ${WINDOWSSDK_DIRS} ${WINDOWSSDK_PREFERRED_FIRST_DIRS})
+	#list(REMOVE_DUPLICATES WINDOWSSDK_DIRS)
+else()
+	set(WINDOWSSDK_PREFERRED_DIR "${WINDOWSSDK_LATEST_DIR}")
+	set(WINDOWSSDK_PREFERRED_NAME "${WINDOWSSDK_LATEST_NAME}")
+	set(WINDOWSSDK_PREFERRED_FIRST_DIRS ${WINDOWSSDK_DIRS})
+	set(WINDOWSSDK_FOUND_PREFERENCE OFF)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(WindowsSDK
+	"No compatible version of the Windows SDK or Platform SDK found."
+	WINDOWSSDK_DIRS)
+
+if(WINDOWSSDK_FOUND)
+	if(NOT _winsdk_remembered_dirs STREQUAL WINDOWSSDK_DIRS)
+		set(_winsdk_remembered_dirs
+			"${WINDOWSSDK_DIRS}"
+			CACHE
+			INTERNAL
+			""
+			FORCE)
+		if(NOT WindowsSDK_FIND_QUIETLY)
+			foreach(_sdkdir ${WINDOWSSDK_DIRS})
+				windowssdk_name_lookup("${_sdkdir}" _sdkname)
+				message(STATUS " - Found ${_sdkname} at ${_sdkdir}")
+			endforeach()
+		endif()
+	endif()
+
+	# Internal: Architecture-appropriate library directory names.
+	if("${CMAKE_VS_PLATFORM_NAME}" STREQUAL "ARM")
+		set(_winsdk_archbare /arm) # what the architecture used to be called in oldest SDKs
+		set(_winsdk_arch arm) # what the architecture used to be called
+		set(_winsdk_arch8 arm) # what the WDK for Win8+ calls this architecture
+	else()
+		if(CMAKE_SIZEOF_VOID_P MATCHES "8")
+			set(_winsdk_archbare /x64) # what the architecture used to be called in oldest SDKs
+			set(_winsdk_arch amd64) # what the architecture used to be called
+			set(_winsdk_arch8 x64) # what the WDK for Win8+ calls this architecture
+		else()
+			set(_winsdk_archbare ) # what the architecture used to be called in oldest SDKs
+			set(_winsdk_arch i386) # what the architecture used to be called
+			set(_winsdk_arch8 x86) # what the WDK for Win8+ calls this architecture
+		endif()
+	endif()
+
+	function(get_windowssdk_from_component _component _var)
+		get_filename_component(_component "${_component}" ABSOLUTE)
+		file(TO_CMAKE_PATH "${_component}" _component)
+		foreach(_sdkdir ${WINDOWSSDK_DIRS})
+			get_filename_component(_sdkdir "${_sdkdir}" ABSOLUTE)
+			string(LENGTH "${_sdkdir}" _sdklen)
+			file(RELATIVE_PATH _rel "${_sdkdir}" "${_component}")
+			# If we don't have any "parent directory" items...
+			if(NOT "${_rel}" MATCHES "[.][.]")
+				set(${_var} "${_sdkdir}" PARENT_SCOPE)
+				return()
+			endif()
+		endforeach()
+		# Fail.
+		set(${_var} "NOTFOUND" PARENT_SCOPE)
+	endfunction()
+	function(get_windowssdk_library_dirs _winsdk_dir _var)
+		set(_result)
+		foreach(_suffix
+			"lib${_winsdk_archbare}" # SDKs like 7.1A
+			"lib/w2k/${_winsdk_arch}" # Win2k min requirement
+			"lib/wxp/${_winsdk_arch}" # WinXP min requirement
+			"lib/wnet/${_winsdk_arch}" # Win Server 2003 min requirement
+			"lib/wlh/${_winsdk_arch}" # Win Vista ("Long Horn") min requirement
+			"lib/wlh/um/${_winsdk_arch8}" # Win Vista ("Long Horn") min requirement
+			"lib/win7/${_winsdk_arch}" # Win 7 min requirement
+			"lib/win7/um/${_winsdk_arch8}" # Win 7 min requirement
+			"lib/win8/um/${_winsdk_arch8}" # Win 8 min requirement
+			"lib/win8/km/${_winsdk_arch8}" # Win 8 min requirement
+			"lib/winv6.3/km/${_winsdk_arch8}" # Win 8.1 min requirement
+			"lib/winv6.3/um/${_winsdk_arch8}" # Win 8.1 min requirement
+		)
+			# Check to see if a library actually exists here.
+			file(GLOB _libs "${_winsdk_dir}/${_suffix}/*.lib")
+			if(_libs)
+				list(APPEND _result "${_winsdk_dir}/${_suffix}")
+			endif()
+		endforeach()
+		if(NOT _result)
+			set(_result NOTFOUND)
+		endif()
+		set(${_var} ${_result} PARENT_SCOPE)
+	endfunction()
+	function(get_windowssdk_include_dirs _winsdk_dir _var)
+		set(_result)
+		foreach(_suffix
+			"Include"
+			"Include/shared"
+			"Include/um"
+			"Include/winrt"
+			"Include/km"
+			"Include/wdf"
+		)
+			# Check to see if a header file actually exists here.
+			file(GLOB _headers "${_winsdk_dir}/${_suffix}/*.h")
+			if(_headers)
+				list(APPEND _result "${_winsdk_dir}/${_suffix}")
+			endif()
+		endforeach()
+		if(NOT _result)
+			set(_result NOTFOUND)
+		endif()
+		set(${_var} ${_result} PARENT_SCOPE)
+	endfunction()
+endif()
diff --git a/eth/CMakeLists.txt b/eth/CMakeLists.txt
index 7396c9ccb..d317be28a 100644
--- a/eth/CMakeLists.txt
+++ b/eth/CMakeLists.txt
@@ -19,9 +19,6 @@ add_executable(${EXECUTABLE} ${SRC_LIST} ${HEADERS})
 
 add_dependencies(${EXECUTABLE} BuildInfo.h)
 
-if(WIN32)
-	target_link_libraries(${EXECUTABLE} Iphlpapi)
-endif()
 target_link_libraries(${EXECUTABLE} ${Boost_REGEX_LIBRARIES})
 
 if (READLINE_FOUND)
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 69a3d51e7..39a235c58 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -69,9 +69,6 @@ endforeach(file)
 file(GLOB HEADERS "*.h")
 add_executable(testeth ${SRC_LIST} ${HEADERS})
 
-if(WIN32)
-	target_link_libraries(testeth Iphlpapi)
-endif()
 target_link_libraries(testeth ${Boost_UNIT_TEST_FRAMEWORK_LIBRARIES})
 target_link_libraries(testeth ${CURL_LIBRARIES})
 target_link_libraries(testeth ethereum)