diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 7657e54431c..26dcec672ba 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -67,17 +67,17 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.26423.5">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.26429.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>d9d97de241d6e2bc5cce12d9e7f54e8d19ca67dc</Sha>
+      <Sha>df7cbf719bdc6a2e6dfc229542a53bf28a8d5180</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="9.0.0-beta.26423.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="9.0.0-beta.26429.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>d9d97de241d6e2bc5cce12d9e7f54e8d19ca67dc</Sha>
+      <Sha>df7cbf719bdc6a2e6dfc229542a53bf28a8d5180</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.26423.5">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.26429.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>d9d97de241d6e2bc5cce12d9e7f54e8d19ca67dc</Sha>
+      <Sha>df7cbf719bdc6a2e6dfc229542a53bf28a8d5180</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 40f387506ca..38068d9b6d7 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -34,7 +34,7 @@
     <SystemFormatsAsn1Version>9.0.19</SystemFormatsAsn1Version>
   </PropertyGroup>
   <PropertyGroup Label="Dependencies from dotnet/arcade">
-    <MicrosoftDotNetBuildTasksTemplatingVersion>9.0.0-beta.26423.5</MicrosoftDotNetBuildTasksTemplatingVersion>
+    <MicrosoftDotNetBuildTasksTemplatingVersion>9.0.0-beta.26429.3</MicrosoftDotNetBuildTasksTemplatingVersion>
   </PropertyGroup>
   <PropertyGroup Label="Other dependencies">
     <MicrosoftBuildFrameworkVersion>17.8.43</MicrosoftBuildFrameworkVersion>
diff --git a/eng/common/core-templates/job/onelocbuild.yml b/eng/common/core-templates/job/onelocbuild.yml
index 0dd3c8dd232..932fcef6494 100644
--- a/eng/common/core-templates/job/onelocbuild.yml
+++ b/eng/common/core-templates/job/onelocbuild.yml
@@ -9,9 +9,8 @@ parameters:
   GithubPat: $(BotAccount-dotnet-bot-repo-PAT)
 
   # Service connection for WIF-based Entra authentication to ceapex feeds (replaces CeapexPat).
-  # When set, dnceng/internal builds acquire a federated Entra token instead of using a PAT.
-  # All other projects (e.g. DevDiv, public), where this dnceng-scoped service connection does not
-  # exist, and any pipeline that sets this to '' fall back to PAT-based auth via the CeapexPat parameter.
+  # dnceng/internal and DevDiv/DevDiv have same-named, project-scoped connections. Other projects,
+  # and any pipeline that sets this to '', fall back to PAT-based auth via the CeapexPat parameter.
   CeapexServiceConnection: 'dnceng-onelocbuild-ceapex'
 
   # GitHub App authentication for the OneLoc check-in PR.
@@ -89,9 +88,8 @@ jobs:
         displayName: Generate LocProject.json
         condition: ${{ parameters.condition }}
 
-    # Acquire an Entra token for ceapex feed access via WIF (dnceng/internal only).
-    # All other projects use PAT-based auth, since the ceapex service connection is scoped to dnceng/internal.
-    - ${{ if and(ne(parameters.CeapexServiceConnection, ''), eq(variables['System.TeamProject'], 'internal')) }}:
+    # Acquire an Entra token for ceapex feed access in the supported internal and DevDiv projects.
+    - ${{ if and(ne(parameters.CeapexServiceConnection, ''), or(eq(variables['System.TeamProject'], 'internal'), eq(variables['System.TeamProject'], 'DevDiv'))) }}:
       - template: /eng/common/core-templates/steps/get-federated-access-token.yml
         parameters:
           is1ESPipeline: ${{ parameters.is1ESPipeline }}
@@ -132,9 +130,9 @@ jobs:
           ${{ if eq(parameters.RepoType, 'gitHub') }}:
             isShouldReusePrSelected: ${{ parameters.ReusePr }}
         packageSourceAuth: patAuth
-        ${{ if and(ne(parameters.CeapexServiceConnection, ''), eq(variables['System.TeamProject'], 'internal')) }}:
+        ${{ if and(ne(parameters.CeapexServiceConnection, ''), or(eq(variables['System.TeamProject'], 'internal'), eq(variables['System.TeamProject'], 'DevDiv'))) }}:
           patVariable: $(CeapexEntraToken)
-        ${{ if or(eq(parameters.CeapexServiceConnection, ''), ne(variables['System.TeamProject'], 'internal')) }}:
+        ${{ if or(eq(parameters.CeapexServiceConnection, ''), and(ne(variables['System.TeamProject'], 'internal'), ne(variables['System.TeamProject'], 'DevDiv'))) }}:
           patVariable: ${{ parameters.CeapexPat }}
         ${{ if eq(parameters.RepoType, 'gitHub') }}:
           repoType: ${{ parameters.RepoType }}
diff --git a/global.json b/global.json
index 67e73133b16..a55bef5a17d 100644
--- a/global.json
+++ b/global.json
@@ -13,7 +13,7 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.26423.5",
-    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.26423.5"
+    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.26429.3",
+    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.26429.3"
   }
 }