diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 4c0475f..3f35941 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -17,7 +17,7 @@ jobs:
   - template: azure/windows.yml
     parameters:
       name: windows
-      vmImage: windows-2019
+      vmImage: vs2017-win2016
       matrix:
         py_3.7_32:
           PYTHON_VERSION: "3.7"
@@ -97,7 +97,7 @@ jobs:
   - template: azure/posix.yml
     parameters:
       name: macOS
-      vmImage: macOS-10.15
+      vmImage: macOS-10.14
       matrix:
         py_3.7_64:
           MB_PYTHON_VERSION: "3.7"
diff --git a/azure/windows.yml b/azure/windows.yml
index 9334f50..844da48 100644
--- a/azure/windows.yml
+++ b/azure/windows.yml
@@ -68,8 +68,8 @@ jobs:
           pip install --timeout=60 $TEST_DEPENDS Cython==$CYTHON_BUILD_DEP
           pip install twine wheel
           pushd pandas
-          cp "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Redist/MSVC/14.29.30036/$PYTHON_ARCH/Microsoft.VC142.CRT/msvcp140.dll" pandas/_libs/window
-          cp "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Redist/MSVC/14.29.30036/$PYTHON_ARCH/Microsoft.VC142.CRT/concrt140.dll" pandas/_libs/window
+          cp "C:/Program Files (x86)/Microsoft Visual Studio/2017/Enterprise/VC/Redist/MSVC/14.16.27012/$PYTHON_ARCH/Microsoft.VC141.CRT/msvcp140.dll" pandas/_libs/window
+          cp "C:/Program Files (x86)/Microsoft Visual Studio/2017/Enterprise/VC/Redist/MSVC/14.16.27012/$PYTHON_ARCH/Microsoft.VC141.CRT/concrt140.dll" pandas/_libs/window
           python setup.py build
           python setup.py bdist_wheel
           ls dist