diff --git a/azure-devops/run-build.yml b/azure-devops/run-build.yml
index 37dabd90f8e..09c0ef4d0bd 100644
--- a/azure-devops/run-build.yml
+++ b/azure-devops/run-build.yml
@@ -11,6 +11,12 @@ jobs:
     vcpkgLocation: '$(Build.SourcesDirectory)/vcpkg'
     buildOutputLocation: 'D:/build'
   steps:
+    - script: |
+        if exist "$(tmpDir)" (
+          rmdir /S /Q $(tmpDir)
+        )
+        mkdir $(tmpDir)
+      displayName: 'Setup TMP Directory'
     - checkout: self
       clean: true
       submodules: true
@@ -29,6 +35,7 @@ jobs:
         vcpkgArguments: 'boost-build'
         vcpkgDirectory: '$(vcpkgLocation)'
         vcpkgTriplet: 'x86-windows'
+      env: { TMP: $(tmpDir), TEMP: $(tmpDir) }
     - task: run-vcpkg@0
       displayName: 'Run vcpkg'
       timeoutInMinutes: 10
@@ -36,6 +43,7 @@ jobs:
         vcpkgArguments: 'boost-math'
         vcpkgDirectory: '$(vcpkgLocation)'
         vcpkgTriplet: '${{ parameters.targetPlatform }}-windows'
+      env: { TMP: $(tmpDir), TEMP: $(tmpDir) }
     - task: PowerShell@2
       displayName: 'Get Test Parallelism'
       timeoutInMinutes: 2
@@ -54,6 +62,7 @@ jobs:
         useVcpkgToolchainFile: true
         cmakeAppendedArgs: |
           -G Ninja -DENABLE_XUNIT_OUTPUT=TRUE -DADDITIONAL_LIT_FLAGS=-j$(testParallelism)
+      env: { TMP: $(tmpDir), TEMP: $(tmpDir) }
     - task: CmdLine@2
       displayName: 'Run Tests'
       timeoutInMinutes: 120
@@ -64,6 +73,7 @@ jobs:
           call "%PROGRAMFILES(X86)%\Microsoft Visual Studio\2019\Preview\Common7\Tools\VsDevCmd.bat" ^
           -host_arch=${{ parameters.vsDevCmdArch }} -arch=${{ parameters.vsDevCmdArch }} -no_logo
           ctest -V
+      env: { TMP: $(tmpDir), TEMP: $(tmpDir) }
     - task: PublishTestResults@2
       displayName: 'Publish libcxx Tests'
       timeoutInMinutes: 10
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 9fcade90b54..bbb060b7162 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -5,6 +5,7 @@
 
 variables:
   agentPool: 'StlBuild-2020-04-04-3'
+  tmpDir: 'D:\Temp'
 
 stages:
   - stage: Code_Format
@@ -17,6 +18,12 @@ stages:
           name: $(agentPool)
 
         steps:
+          - script: |
+              if exist "$(tmpDir)" (
+                rmdir /S /Q $(tmpDir)
+              )
+              mkdir $(tmpDir)
+            displayName: 'Setup TMP Directory'
           - checkout: self
             clean: true
             submodules: false
@@ -28,6 +35,7 @@ stages:
               cd $(Build.ArtifactStagingDirectory)\tools
               cmake --build .
             displayName: 'Build Support Tools'
+            env: { TMP: $(tmpDir), TEMP: $(tmpDir) }
           - task: BatchScript@1
             displayName: 'Enforce clang-format'
             timeoutInMinutes: 60
@@ -35,6 +43,7 @@ stages:
               filename: 'azure-devops/enforce-clang-format.cmd'
               failOnStandardError: true
               arguments: '$(Build.ArtifactStagingDirectory)/tools/parallelize/parallelize.exe'
+            env: { TMP: $(tmpDir), TEMP: $(tmpDir) }
           - task: BatchScript@1
             displayName: 'Validate Files'
             timeoutInMinutes: 2
@@ -42,6 +51,7 @@ stages:
               filename: 'azure-devops/validate-files.cmd'
               failOnStandardError: true
               arguments: '$(Build.ArtifactStagingDirectory)/tools/validate/validate.exe'
+            env: { TMP: $(tmpDir), TEMP: $(tmpDir) }
   - stage: Build_And_Test
     displayName: 'Build and Test'
     jobs: