diff --git a/.appveyor.yml b/.appveyor.yml
index ed2ab4955..8402dc221 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,31 +1,56 @@
 version: '{branch}.{build}'
 skip_tags: true
-image: Visual Studio 2017
+image: Visual Studio 2019
 configuration: Release
 platform: x64
 clone_depth: 5
 environment:
   APPVEYOR_SAVE_CACHE_ON_ERROR: true
   CLCACHE_SERVER: 1
-  PACKAGES: berkeleydb boost-filesystem boost-signals2 boost-test libevent openssl rapidcheck zeromq double-conversion
+  PACKAGES: berkeleydb boost-filesystem boost-multi-index boost-signals2 boost-test boost-thread libevent openssl rapidcheck zeromq double-conversion
   PATH: 'C:\Python37-x64;C:\Python37-x64\Scripts;%PATH%'
   PYTHONUTF8: 1
-  QT_DOWNLOAD_URL: 'https://github.com/sipsorcery/qt_win_binary/releases/download/v1.0/Qt5.9.7_ssl_x64_static_vs2017.zip'
-  QT_DOWNLOAD_HASH: 'D4D35B8112302B67E5610A03421BB3E43FE13F14D9A5F637C22AE60DCEC0E0F5'
-  QT_LOCAL_PATH: 'C:\Qt5.9.7_ssl_x64_static_vs2017'
+  QT_DOWNLOAD_URL: 'https://github.com/sipsorcery/qt_win_binary/releases/download/v1.4/Qt5.9.8_x64_static_vs2019.zip'
+  QT_DOWNLOAD_HASH: 'f285cbb02bec3b3f3cc2621e3fa7d5edf0d6a66fa30c57859e583acda954ea80'
+  QT_LOCAL_PATH: 'C:\Qt5.9.8_x64_static_vs2019'
+  VCPKG_INSTALL_PATH: 'C:\tools\vcpkg\installed'
 cache:
 - C:\tools\vcpkg\installed
 - C:\Users\appveyor\clcache -> .appveyor.yml, build_msvc\**, **\Makefile.am, **\*.vcxproj.in
-- C:\Qt5.9.7_ssl_x64_static_vs2017
+- C:\Qt5.9.8_x64_static_vs2019
 install:
 - cmd: pip install --quiet git+https://github.com/frerich/clcache.git@v4.2.0
 # Disable zmq test for now since python zmq library on Windows would cause Access violation sometimes.
 # - cmd: pip install zmq
-- cmd: echo set(VCPKG_BUILD_TYPE release) >> C:\tools\vcpkg\triplets\%PLATFORM%-windows-static.cmake
-- cmd: vcpkg remove --outdated --recurse
-- cmd: vcpkg install --triplet %PLATFORM%-windows-static %PACKAGES% > NUL
+# Powershell block below is to install the c++ dependencies via vcpkg. The pseudo code is:
+# 1. If the vcpkg install directory exists assume dependencies are installed and do nothing. To
+#    force a fresh install of the packages delete the job's appveyor cache.
+# 2. Otherwise:
+#    a. Update the vcpkg source (including port files) and build the vcpkg binary,
+#    b. Install the required packages.
+- ps: |
+      cd c:\tools\vcpkg
+      if(!(Test-Path -Path ($env:VCPKG_INSTALL_PATH))) {
+          $env:GIT_REDIRECT_STDERR = '2>&1' # git is writing non-errors to STDERR when doing git pull. Send to STDOUT instead.
+          Add-Content "C:\tools\vcpkg\triplets\$env:PLATFORM-windows-static.cmake" "set(VCPKG_BUILD_TYPE release)"
+          git pull origin master
+          .\bootstrap-vcpkg.bat
+          .\vcpkg install --triplet $env:PLATFORM-windows-static $env:PACKAGES.split() > $null
+      }
+      else {
+        Write-Host "vcpkg packages already installed (to reinstall purge appveyor job's cache)."
+      }
+      .\vcpkg integrate install
+      cd "$env:APPVEYOR_BUILD_FOLDER"
 before_build:
 - ps:  clcache -M 536870912
+# Powershell block below is to download and extract the Qt static libraries. The pseudo code is:
+# 1. If the Qt destination directory exists assume it is correct and do nothing. To
+#    force a fresh install of the packages delete the job's appveyor cache.
+# 2. Otherwise:
+#    a. Download the zip file with the prebuilt Qt static libraries.
+#    b. Check that the downloaded file matches the expected hash.
+#    c. Extract the zip file to the specific destination path expected by the msbuild projects.
 - ps: |
       if(!(Test-Path -Path ($env:QT_LOCAL_PATH))) {
         Write-Host "Downloading Qt binaries.";
@@ -44,17 +69,10 @@ before_build:
          Write-Host "Qt binaries already present.";
       }
 - cmd: python build_msvc\msvc-autogen.py
-- ps:  $files = (Get-ChildItem -Recurse | where {$_.extension -eq ".vcxproj"}).FullName
-- ps:  for (${i} = 0; ${i} -lt ${files}.length; ${i}++) {
-           ${content} = (Get-Content ${files}[${i}]);
-           ${content} = ${content}.Replace("</RuntimeLibrary>", "</RuntimeLibrary><DebugInformationFormat>None</DebugInformationFormat>");
-           ${content} = ${content}.Replace("<WholeProgramOptimization>true", "<WholeProgramOptimization>false");
-           Set-Content ${files}[${i}] ${content};
-       }
 - ps:  Start-Process clcache-server
 - ps:  fsutil behavior set disablelastaccess 0 # Enable Access time feature on Windows (for clcache)
 build_script:
-- cmd: msbuild /p:TrackFileAccess=false /p:CLToolExe=clcache.exe build_msvc\bitcoin.sln /m /v:n /nologo
+- cmd: msbuild /p:TrackFileAccess=false /p:CLToolExe=clcache.exe build_msvc\bitcoin.sln /m /v:q /nologo
 after_build:
 - ps:  fsutil behavior set disablelastaccess 1 # Disable Access time feature on Windows (better performance)
 - ps:  clcache -z
@@ -64,7 +82,8 @@ test_script:
 - cmd: src\bench_bitcoin.exe -evals=1 -scaling=0 > NUL
 - ps:  python test\util\bitcoin-util-test.py
 - cmd: python test\util\rpcauth-test.py
-- cmd: python test\functional\test_runner.py --ci --quiet --combinedlogslen=4000 --failfast
+# Fee estimation test failing on appveyor with: WinError 10048] Only one usage of each socket address (protocol/network address/port) is normally permitted.
+- cmd: python test\functional\test_runner.py --ci --quiet --combinedlogslen=4000 --failfast --exclude feature_fee_estimation
 artifacts:
 #- path: bitcoin-%APPVEYOR_BUILD_VERSION%.zip
 deploy: off
diff --git a/build_msvc/bitcoin-qt/bitcoin-qt.vcxproj b/build_msvc/bitcoin-qt/bitcoin-qt.vcxproj
index fdeec55ee..dcfc1e1b3 100644
--- a/build_msvc/bitcoin-qt/bitcoin-qt.vcxproj
+++ b/build_msvc/bitcoin-qt/bitcoin-qt.vcxproj
@@ -56,6 +56,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>$(QtReleaseLibraries);%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalOptions>/ignore:4206</AdditionalOptions>
     </Link>
     <ResourceCompile>
       <AdditionalIncludeDirectories>..\..\src;</AdditionalIncludeDirectories>
@@ -69,6 +70,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>$(QtDebugLibraries);%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalOptions>/ignore:4206</AdditionalOptions>
     </Link>
     <ResourceCompile>
       <AdditionalIncludeDirectories>..\..\src;</AdditionalIncludeDirectories>
diff --git a/build_msvc/common.init.vcxproj b/build_msvc/common.init.vcxproj
index 77f6a5c62..a04a38ff7 100644
--- a/build_msvc/common.init.vcxproj
+++ b/build_msvc/common.init.vcxproj
@@ -39,7 +39,7 @@
     <LinkIncremental>true</LinkIncremental>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\$(ProjectName)\</OutDir>
     <IntDir>$(Platform)\$(Configuration)\$(ProjectName)\</IntDir>
@@ -48,7 +48,7 @@
     <LinkIncremental>false</LinkIncremental>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\$(ProjectName)\</OutDir>
     <IntDir>$(Platform)\$(Configuration)\$(ProjectName)\</IntDir>
diff --git a/build_msvc/common.qt.init.vcxproj b/build_msvc/common.qt.init.vcxproj
index e21288e26..42150a231 100644
--- a/build_msvc/common.qt.init.vcxproj
+++ b/build_msvc/common.qt.init.vcxproj
@@ -2,7 +2,7 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 
   <PropertyGroup Label="QtGlobals">
-    <QtBaseDir>C:\Qt5.9.7_ssl_x64_static_vs2017</QtBaseDir>
+    <QtBaseDir>C:\Qt5.9.8_x64_static_vs2019</QtBaseDir>
     <QtPluginsLibraryDir>$(QtBaseDir)\plugins</QtPluginsLibraryDir>
     <QtLibraryDir>$(QtBaseDir)\lib</QtLibraryDir>
     <QtIncludeDir>$(QtBaseDir)\include</QtIncludeDir>
diff --git a/build_msvc/test_bitcoin/test_bitcoin.vcxproj b/build_msvc/test_bitcoin/test_bitcoin.vcxproj
index 47e87b59e..ad3110422 100644
--- a/build_msvc/test_bitcoin/test_bitcoin.vcxproj
+++ b/build_msvc/test_bitcoin/test_bitcoin.vcxproj
@@ -16,6 +16,7 @@
     <ClCompile Include="..\..\src\test\setup_common.cpp" />
     <ClCompile Include="..\..\src\test\main.cpp" />
     <ClCompile Include="..\..\src\wallet\test\*_fixture.cpp" />
+    <ClCompile Include="..\..\src\test\util\*.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\libbitcoinconsensus\libbitcoinconsensus.vcxproj">