diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index d808077f0..8add22b1b 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -3,17 +3,17 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.25571.8">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.25578.1">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>a8b9e73f56e84dcb4c7ed0f23f79b308b4f83a01</Sha>
+      <Sha>846929727a388f2b1fd3ccf21f67694f44b91b4d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="11.0.0-beta.25571.8">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="11.0.0-beta.25578.1">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>a8b9e73f56e84dcb4c7ed0f23f79b308b4f83a01</Sha>
+      <Sha>846929727a388f2b1fd3ccf21f67694f44b91b4d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XUnitV3Extensions" Version="11.0.0-beta.25571.8">
+    <Dependency Name="Microsoft.DotNet.XUnitV3Extensions" Version="11.0.0-beta.25578.1">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>a8b9e73f56e84dcb4c7ed0f23f79b308b4f83a01</Sha>
+      <Sha>846929727a388f2b1fd3ccf21f67694f44b91b4d</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 8276e7cbc..914febab2 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -15,7 +15,7 @@
     <SystemIOHashingVersion>8.0.0</SystemIOHashingVersion>
     <MicrosoftAspNetCoreTestHostVersion>6.0.36</MicrosoftAspNetCoreTestHostVersion>
     <MicrosoftCrankEventSourcesVersion>0.2.0-alpha.24576.2</MicrosoftCrankEventSourcesVersion>
-    <MicrosoftDotNetXUnitV3ExtensionsPackageVersion>11.0.0-beta.25571.8</MicrosoftDotNetXUnitV3ExtensionsPackageVersion>
+    <MicrosoftDotNetXUnitV3ExtensionsPackageVersion>11.0.0-beta.25578.1</MicrosoftDotNetXUnitV3ExtensionsPackageVersion>
     <CoverletCollectorVersion>6.0.0</CoverletCollectorVersion>
     <MoqVersion>4.18.4</MoqVersion>
     <AutofacVersion>4.9.4</AutofacVersion>
diff --git a/eng/common/core-templates/job/source-index-stage1.yml b/eng/common/core-templates/job/source-index-stage1.yml
index 30530359a..58b7a7681 100644
--- a/eng/common/core-templates/job/source-index-stage1.yml
+++ b/eng/common/core-templates/job/source-index-stage1.yml
@@ -25,10 +25,10 @@ jobs:
     pool:
       ${{ if eq(variables['System.TeamProject'], 'public') }}:
         name: $(DncEngPublicBuildPool)
-        image: windows.vs2022.amd64.open
+        image: windows.vs2026preview.scout.amd64.open
       ${{ if eq(variables['System.TeamProject'], 'internal') }}:
         name: $(DncEngInternalBuildPool)
-        image: windows.vs2022.amd64
+        image: windows.vs2026preview.scout.amd64
 
   steps:
   - ${{ if eq(parameters.is1ESPipeline, '') }}:
diff --git a/eng/common/core-templates/post-build/post-build.yml b/eng/common/core-templates/post-build/post-build.yml
index 6f0929c03..06864cd1f 100644
--- a/eng/common/core-templates/post-build/post-build.yml
+++ b/eng/common/core-templates/post-build/post-build.yml
@@ -127,11 +127,11 @@ stages:
         ${{ else }}:
           ${{ if eq(parameters.is1ESPipeline, true) }}:
             name: $(DncEngInternalBuildPool)
-            image: windows.vs2022.amd64
+            image: windows.vs2026preview.scout.amd64
             os: windows
           ${{ else }}:
             name: $(DncEngInternalBuildPool)
-            demands: ImageOverride -equals windows.vs2022.amd64
+            demands: ImageOverride -equals windows.vs2026preview.scout.amd64
 
       steps:
       - template: /eng/common/core-templates/post-build/setup-maestro-vars.yml
@@ -175,7 +175,7 @@ stages:
             os: windows
           ${{ else }}:
             name: $(DncEngInternalBuildPool)
-            demands: ImageOverride -equals windows.vs2022.amd64
+            demands: ImageOverride -equals windows.vs2026preview.scout.amd64
       steps:
       - template: /eng/common/core-templates/post-build/setup-maestro-vars.yml
         parameters:
@@ -236,7 +236,7 @@ stages:
             os: windows
           ${{ else }}:
             name: $(DncEngInternalBuildPool)
-            demands: ImageOverride -equals windows.vs2022.amd64
+            demands: ImageOverride -equals windows.vs2026preview.scout.amd64
       steps:
       - template: /eng/common/core-templates/post-build/setup-maestro-vars.yml
         parameters:
diff --git a/eng/common/sdk-task.ps1 b/eng/common/sdk-task.ps1
index 9ae443f1c..b64b66a62 100644
--- a/eng/common/sdk-task.ps1
+++ b/eng/common/sdk-task.ps1
@@ -70,7 +70,7 @@ try {
       $GlobalJson.tools | Add-Member -Name "vs" -Value (ConvertFrom-Json "{ `"version`": `"16.5`" }") -MemberType NoteProperty
     }
     if( -not ($GlobalJson.tools.PSObject.Properties.Name -match "xcopy-msbuild" )) {
-      $GlobalJson.tools | Add-Member -Name "xcopy-msbuild" -Value "17.14.16" -MemberType NoteProperty
+      $GlobalJson.tools | Add-Member -Name "xcopy-msbuild" -Value "18.0.0" -MemberType NoteProperty
     }
     if ($GlobalJson.tools."xcopy-msbuild".Trim() -ine "none") {
         $xcopyMSBuildToolsFolder = InitializeXCopyMSBuild $GlobalJson.tools."xcopy-msbuild" -install $true
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index 4bc50bd56..578705ee4 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -394,8 +394,8 @@ function InitializeVisualStudioMSBuild([bool]$install, [object]$vsRequirements =
 
   # If the version of msbuild is going to be xcopied,
   # use this version. Version matches a package here:
-  # https://dev.azure.com/dnceng/public/_artifacts/feed/dotnet-eng/NuGet/Microsoft.DotNet.Arcade.MSBuild.Xcopy/versions/17.14.16
-  $defaultXCopyMSBuildVersion = '17.14.16'
+  # https://dev.azure.com/dnceng/public/_artifacts/feed/dotnet-eng/NuGet/Microsoft.DotNet.Arcade.MSBuild.Xcopy/versions/18.0.0
+  $defaultXCopyMSBuildVersion = '18.0.0'
 
   if (!$vsRequirements) {
     if (Get-Member -InputObject $GlobalJson.tools -Name 'vs') {
diff --git a/global.json b/global.json
index 506623dc9..6ea2da6cb 100644
--- a/global.json
+++ b/global.json
@@ -19,7 +19,7 @@
     "runner": "Microsoft.Testing.Platform"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "11.0.0-beta.25571.8",
-    "Microsoft.DotNet.Helix.Sdk": "11.0.0-beta.25571.8"
+    "Microsoft.DotNet.Arcade.Sdk": "11.0.0-beta.25578.1",
+    "Microsoft.DotNet.Helix.Sdk": "11.0.0-beta.25578.1"
   }
 }