diff --git a/eng/pipelines/azure-pipelines.yml b/eng/pipelines/azure-pipelines.yml
index a75672e7d0..08bc94cef7 100644
--- a/eng/pipelines/azure-pipelines.yml
+++ b/eng/pipelines/azure-pipelines.yml
@@ -32,7 +32,7 @@ extends:
         image: 1es-windows-2022
         os: windows
     settings:
-      networkIsolationPolicy: Permissive,CFSClean
+      networkIsolationPolicy: Preferred,CFSClean,CFSClean2
     stages:
     - stage: build
       displayName: Build
@@ -67,4 +67,3 @@ extends:
         enableSourceLinkValidation: false
         enableSigningValidation: false
         symbolPublishingAdditionalParameters: /p:PublishToSymWeb=false /p:PublishToMSDL=false
-