diff --git a/common/config/rush/pnpm-config.json b/common/config/rush/pnpm-config.json
index c55351814e..5c30f0c699 100644
--- a/common/config/rush/pnpm-config.json
+++ b/common/config/rush/pnpm-config.json
@@ -551,7 +551,8 @@
    * PNPM documentation: https://pnpm.io/package_json#pnpmneverbuiltdependencies
    */
   "globalNeverBuiltDependencies": [
-    // "fsevents"
+    // The postinstall script redundantly downloads the platform binding, which PNPM installs as an optional dependency.
+    "unrs-resolver"
   ],
 
   /**
diff --git a/common/config/subspaces/build-tests-subspace/.npmrc b/common/config/subspaces/build-tests-subspace/.npmrc
index 9ececc1f20..9ce3b02e82 100644
--- a/common/config/subspaces/build-tests-subspace/.npmrc
+++ b/common/config/subspaces/build-tests-subspace/.npmrc
@@ -22,7 +22,7 @@
 #
 #   //registry.npmjs.org/:_authToken=${NPM_AUTH_TOKEN}
 #
-registry=https://registry.npmjs.org/
+registry=https://packagefeedproxy.microsoft.io/npm/
 always-auth=false
 # No phantom dependencies allowed in this repository
 # Don't hoist in common/temp/node_modules
diff --git a/common/config/subspaces/default/.npmrc b/common/config/subspaces/default/.npmrc
index 9ececc1f20..9ce3b02e82 100644
--- a/common/config/subspaces/default/.npmrc
+++ b/common/config/subspaces/default/.npmrc
@@ -22,7 +22,7 @@
 #
 #   //registry.npmjs.org/:_authToken=${NPM_AUTH_TOKEN}
 #
-registry=https://registry.npmjs.org/
+registry=https://packagefeedproxy.microsoft.io/npm/
 always-auth=false
 # No phantom dependencies allowed in this repository
 # Don't hoist in common/temp/node_modules