diff --git a/build/pipelines/ob-nightly.yml b/build/pipelines/ob-nightly.yml
index 033d075cd6..63eba379d8 100644
--- a/build/pipelines/ob-nightly.yml
+++ b/build/pipelines/ob-nightly.yml
@@ -50,6 +50,7 @@ extends:
           parameters:
             pool: { type: windows }
             variables:
+              ob_sdl_prefast_enabled: false # This is a collection of powershell scripts
               ob_git_checkout: false # This job checks itself out
               ob_git_skip_checkout_none: true
               ob_outputDirectory: "$(Build.SourcesDirectory)/_none"
diff --git a/build/pipelines/templates-v2/pipeline-onebranch-full-release-build.yml b/build/pipelines/templates-v2/pipeline-onebranch-full-release-build.yml
index 0f09271a72..3746402e3e 100644
--- a/build/pipelines/templates-v2/pipeline-onebranch-full-release-build.yml
+++ b/build/pipelines/templates-v2/pipeline-onebranch-full-release-build.yml
@@ -88,6 +88,9 @@ extends:
       enabled: false
     globalSdl: # https://aka.ms/obpipelines/sdl
       enableCheckCFlags: false # CheckCFlags is broken and exploding our builds; to remove, :g/BAD-FLAGS/d
+      isNativeCode: true
+      prefast:
+        enabled: true
       asyncSdl:
         enabled: true
         tsaOptionsFile: 'build/config/tsa.json'
@@ -115,6 +118,8 @@ extends:
               variables:
                 ob_sdl_checkcflags_enabled: false # BAD-FLAGS
                 ob_sdl_xfgcheck_enabled: false # BAD-FLAGS
+                ob_sdl_prefast_runDuring: Build
+                ob_sdl_checkCompliantCompilerWarnings: true
                 ob_git_checkout: false # This job checks itself out
                 ob_git_skip_checkout_none: true
                 ob_outputDirectory: $(JobOutputDirectory)
@@ -149,6 +154,7 @@ extends:
                 variables:
                   ob_sdl_checkcflags_enabled: false # BAD-FLAGS
                   ob_sdl_xfgcheck_enabled: false # BAD-FLAGS
+                  ob_sdl_prefast_enabled: false # This is a C# build job
                   ob_git_checkout: false # This job checks itself out
                   ob_git_skip_checkout_none: true
                   ob_outputDirectory: $(JobOutputDirectory)
@@ -180,6 +186,7 @@ extends:
                 variables:
                   ob_sdl_checkcflags_enabled: false # BAD-FLAGS
                   ob_sdl_xfgcheck_enabled: false # BAD-FLAGS
+                  ob_sdl_prefast_enabled: false # This is a collection of powershell scripts
                   ob_git_checkout: false # This job checks itself out
                   ob_git_skip_checkout_none: true
                   ob_outputDirectory: $(JobOutputDirectory)
@@ -234,6 +241,7 @@ extends:
                 variables:
                   ob_sdl_checkcflags_enabled: false # BAD-FLAGS
                   ob_sdl_xfgcheck_enabled: false # BAD-FLAGS
+                  ob_sdl_prefast_enabled: false # This is a collection of powershell scripts
                   ob_git_checkout: false # This job checks itself out
                   ob_git_skip_checkout_none: true
                   ob_outputDirectory: $(JobOutputDirectory)
@@ -252,6 +260,7 @@ extends:
                 variables:
                   ob_sdl_checkcflags_enabled: false # BAD-FLAGS
                   ob_sdl_xfgcheck_enabled: false # BAD-FLAGS
+                  ob_sdl_prefast_enabled: false # This is a collection of powershell scripts
                   ob_git_checkout: false # This job checks itself out
                   ob_git_skip_checkout_none: true
                   ob_outputDirectory: $(JobOutputDirectory)
@@ -277,6 +286,7 @@ extends:
               variables:
                 ob_sdl_checkcflags_enabled: false # BAD-FLAGS
                 ob_sdl_xfgcheck_enabled: false # BAD-FLAGS
+                ob_sdl_prefast_enabled: false # This is a collection of powershell scripts
                 ob_git_checkout: false # This job checks itself out
                 ob_git_skip_checkout_none: true
                 ob_outputDirectory: $(Build.ArtifactStagingDirectory)