diff --git a/change/react-native-windows-ed7b2b09-74fa-4fe0-9de3-57c3ae856148.json b/change/react-native-windows-ed7b2b09-74fa-4fe0-9de3-57c3ae856148.json
new file mode 100644
index 00000000000..7a574a59c43
--- /dev/null
+++ b/change/react-native-windows-ed7b2b09-74fa-4fe0-9de3-57c3ae856148.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Update WinUI3ExperimentalVersion from 1.6.240701003-experimental2 to 1.7.250109001-experimental2",
+  "packageName": "react-native-windows",
+  "email": "50150435+JesseCol@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}
diff --git a/vnext/Microsoft.ReactNative/Fabric/Composition/ContentIslandComponentView.cpp b/vnext/Microsoft.ReactNative/Fabric/Composition/ContentIslandComponentView.cpp
index 70f73d834fa..2d9ac52b823 100644
--- a/vnext/Microsoft.ReactNative/Fabric/Composition/ContentIslandComponentView.cpp
+++ b/vnext/Microsoft.ReactNative/Fabric/Composition/ContentIslandComponentView.cpp
@@ -42,13 +42,13 @@ ContentIslandComponentView::ContentIslandComponentView(
 
 void ContentIslandComponentView::OnMounted() noexcept {
 #ifdef USE_EXPERIMENTAL_WINUI3
-  m_childContentLink = winrt::Microsoft::UI::Content::ChildContentLink::Create(
+  m_childSiteLink = winrt::Microsoft::UI::Content::ChildSiteLink::Create(
       rootComponentView()->parentContentIsland(),
       winrt::Microsoft::ReactNative::Composition::Experimental::CompositionContextHelper::InnerVisual(Visual())
           .as<winrt::Microsoft::UI::Composition::ContainerVisual>());
-  m_childContentLink.ActualSize({m_layoutMetrics.frame.size.width, m_layoutMetrics.frame.size.height});
+  m_childSiteLink.ActualSize({m_layoutMetrics.frame.size.width, m_layoutMetrics.frame.size.height});
   if (m_islandToConnect) {
-    m_childContentLink.Connect(m_islandToConnect);
+    m_childSiteLink.Connect(m_islandToConnect);
     m_islandToConnect = nullptr;
   }
 
@@ -82,8 +82,10 @@ void ContentIslandComponentView::ParentLayoutChanged() noexcept {
     if (auto strongThis = wkThis.get()) {
       auto clientRect = strongThis->getClientRect();
 
-      strongThis->m_childContentLink.OffsetOverride(
-          {static_cast<float>(clientRect.left), static_cast<float>(clientRect.top)});
+      strongThis->m_childSiteLink.LocalToParentTransformMatrix(
+          winrt::Windows::Foundation::Numerics::make_float4x4_translation(
+              static_cast<float>(clientRect.left), static_cast<float>(clientRect.top), 0.0f));
+
       strongThis->m_layoutChangePosted = false;
     }
   });
@@ -114,8 +116,8 @@ void ContentIslandComponentView::updateLayoutMetrics(
     facebook::react::LayoutMetrics const &layoutMetrics,
     facebook::react::LayoutMetrics const &oldLayoutMetrics) noexcept {
 #ifdef USE_EXPERIMENTAL_WINUI3
-  if (m_childContentLink) {
-    m_childContentLink.ActualSize({layoutMetrics.frame.size.width, layoutMetrics.frame.size.height});
+  if (m_childSiteLink) {
+    m_childSiteLink.ActualSize({layoutMetrics.frame.size.width, layoutMetrics.frame.size.height});
     ParentLayoutChanged();
   }
 #endif
@@ -124,9 +126,9 @@ void ContentIslandComponentView::updateLayoutMetrics(
 
 void ContentIslandComponentView::Connect(const winrt::Microsoft::UI::Content::ContentIsland &contentIsland) noexcept {
 #ifdef USE_EXPERIMENTAL_WINUI3
-  if (m_childContentLink) {
+  if (m_childSiteLink) {
     m_islandToConnect = nullptr;
-    m_childContentLink.Connect(contentIsland);
+    m_childSiteLink.Connect(contentIsland);
   } else {
     m_islandToConnect = contentIsland;
   }
diff --git a/vnext/Microsoft.ReactNative/Fabric/Composition/ContentIslandComponentView.h b/vnext/Microsoft.ReactNative/Fabric/Composition/ContentIslandComponentView.h
index fce95ffb076..6efaefde99d 100644
--- a/vnext/Microsoft.ReactNative/Fabric/Composition/ContentIslandComponentView.h
+++ b/vnext/Microsoft.ReactNative/Fabric/Composition/ContentIslandComponentView.h
@@ -55,7 +55,7 @@ struct ContentIslandComponentView : ContentIslandComponentViewT<ContentIslandCom
   winrt::event_token m_unmountedToken;
   std::vector<winrt::Microsoft::ReactNative::ComponentView::LayoutMetricsChanged_revoker> m_layoutMetricChangedRevokers;
 #ifdef USE_EXPERIMENTAL_WINUI3
-  winrt::Microsoft::UI::Content::ChildContentLink m_childContentLink{nullptr};
+  winrt::Microsoft::UI::Content::ChildSiteLink m_childSiteLink{nullptr};
 #endif
 };
 
diff --git a/vnext/PropertySheets/WinUI.props b/vnext/PropertySheets/WinUI.props
index dc60e676ed7..6739ad10ec2 100644
--- a/vnext/PropertySheets/WinUI.props
+++ b/vnext/PropertySheets/WinUI.props
@@ -4,15 +4,16 @@
 
     <!-- 
       Internal versions are located at: https://microsoft.visualstudio.com/DefaultCollection/ProjectReunion/_artifacts/feed/Project.Reunion.nuget.internal/NuGet/Microsoft.WindowsAppSDK/versions
-      For local testing of internal versions, modify the WinUI3Version, and comment out the addition nuget source in NuGet.Config
+      For local testing of internal versions, modify WinUI3ExperimentalVersion, and comment out the addition nuget source in NuGet.Config
     -->
-    <!-- This value is also used by the CLI, see /packages/@react-native-windows/generate-windows -->
-    <WinUI3Version Condition="'$(WinUI3Version)'=='' AND '$(UseExperimentalWinUI3)'=='true'">1.6.240701003-experimental2</WinUI3Version>
+    <WinUI3ExperimentalVersion Condition="'$(WinUI3ExperimentalVersion)'==''">1.7.250109001-experimental2</WinUI3ExperimentalVersion>
+    <!-- This value is also used by the CLI, see /packages/@react-native-windows/cli/.../autolinkWindows.ts -->
+    <WinUI3Version Condition="'$(WinUI3Version)'=='' AND '$(UseExperimentalWinUI3)'=='true'">$(WinUI3ExperimentalVersion)</WinUI3Version>
     <WinUI3Version Condition="'$(WinUI3Version)'==''">1.6.240923002</WinUI3Version>
   </PropertyGroup>
 
   <PropertyGroup Label="WinUI2x versioning">
-		<!--This value is also used by the CLI, see /packages/@react-native-windows/generate-windows -->
+		<!--This value is also used by the CLI, see /packages/@react-native-windows/cli/.../autolinkWindows.ts -->
     <WinUI2xVersion Condition="'$(WinUI2xVersion)'==''">2.8.0</WinUI2xVersion>
   </PropertyGroup>