diff --git a/NuGet.config b/NuGet.config
index 45ab02a8f5b..d1a8a417e43 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -4,7 +4,6 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-fa7cdde" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-fa7cdded/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
@@ -21,7 +20,6 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-fa7cdde" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
   </disabledPackageSources>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 664f088eb44..8a5f81e4b02 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.25562.4">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.25577.5">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>6e2d8e204cebac7d3989c1996f96e5a9ed63fa80</Sha>
+      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="9.0.0-beta.25562.4">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="9.0.0-beta.25577.5">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>6e2d8e204cebac7d3989c1996f96e5a9ed63fa80</Sha>
+      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.25562.4">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.25577.5">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>6e2d8e204cebac7d3989c1996f96e5a9ed63fa80</Sha>
+      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 47c6ed03b2a..aaf5ac026dc 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -34,7 +34,7 @@
     <SystemFormatsAsn1Version>9.0.11</SystemFormatsAsn1Version>
   </PropertyGroup>
   <PropertyGroup Label="Dependencies from dotnet/arcade">
-    <MicrosoftDotNetBuildTasksTemplatingVersion>9.0.0-beta.25562.4</MicrosoftDotNetBuildTasksTemplatingVersion>
+    <MicrosoftDotNetBuildTasksTemplatingVersion>9.0.0-beta.25577.5</MicrosoftDotNetBuildTasksTemplatingVersion>
   </PropertyGroup>
   <PropertyGroup Label="Other dependencies">
     <MicrosoftBuildFrameworkVersion>17.8.43</MicrosoftBuildFrameworkVersion>
diff --git a/eng/common/core-templates/job/source-build.yml b/eng/common/core-templates/job/source-build.yml
index 5baedac1e03..1037ccedcb5 100644
--- a/eng/common/core-templates/job/source-build.yml
+++ b/eng/common/core-templates/job/source-build.yml
@@ -65,7 +65,7 @@ jobs:
           demands: ImageOverride -equals build.ubuntu.2004.amd64
         ${{ if eq(variables['System.TeamProject'], 'internal') }}:
           name: $[replace(replace(eq(contains(coalesce(variables['System.PullRequest.TargetBranch'], variables['Build.SourceBranch'], 'refs/heads/main'), 'release'), 'true'), True, 'NetCore1ESPool-Svc-Internal'), False, 'NetCore1ESPool-Internal')]
-          image: 1es-mariner-2
+          image: 1es-azurelinux-3
           os: linux
     ${{ else }}:
       pool:
diff --git a/eng/common/core-templates/steps/source-build.yml b/eng/common/core-templates/steps/source-build.yml
index 0718e4ba902..7846584d2a7 100644
--- a/eng/common/core-templates/steps/source-build.yml
+++ b/eng/common/core-templates/steps/source-build.yml
@@ -41,7 +41,7 @@ steps:
     # in the default public locations.
     internalRuntimeDownloadArgs=
     if [ '$(dotnetbuilds-internal-container-read-token-base64)' != '$''(dotnetbuilds-internal-container-read-token-base64)' ]; then
-      internalRuntimeDownloadArgs='/p:DotNetRuntimeSourceFeed=https://dotnetbuilds.blob.core.windows.net/internal /p:DotNetRuntimeSourceFeedKey=$(dotnetbuilds-internal-container-read-token-base64) --runtimesourcefeed https://dotnetbuilds.blob.core.windows.net/internal --runtimesourcefeedkey $(dotnetbuilds-internal-container-read-token-base64)'
+      internalRuntimeDownloadArgs='/p:DotNetRuntimeSourceFeed=https://ci.dot.net/internal /p:DotNetRuntimeSourceFeedKey=$(dotnetbuilds-internal-container-read-token-base64) --runtimesourcefeed https://ci.dot.net/internal --runtimesourcefeedkey $(dotnetbuilds-internal-container-read-token-base64)'
     fi
 
     buildConfig=Release
diff --git a/eng/common/cross/arm/sources.list.focal b/eng/common/cross/arm/sources.list.focal
deleted file mode 100644
index 4de2600c174..00000000000
--- a/eng/common/cross/arm/sources.list.focal
+++ /dev/null
@@ -1,11 +0,0 @@
-deb http://ports.ubuntu.com/ubuntu-ports/ focal main restricted universe
-deb-src http://ports.ubuntu.com/ubuntu-ports/ focal main restricted universe
-
-deb http://ports.ubuntu.com/ubuntu-ports/ focal-updates main restricted universe
-deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-updates main restricted universe
-
-deb http://ports.ubuntu.com/ubuntu-ports/ focal-backports main restricted
-deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-backports main restricted
-
-deb http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse
-deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse
diff --git a/eng/common/cross/arm/sources.list.jammy b/eng/common/cross/arm/sources.list.jammy
deleted file mode 100644
index 6bb0453029c..00000000000
--- a/eng/common/cross/arm/sources.list.jammy
+++ /dev/null
@@ -1,11 +0,0 @@
-deb http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe
-deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe
-
-deb http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe
-deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe
-
-deb http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted
-deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted
-
-deb http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
-deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
diff --git a/eng/common/cross/arm64/sources.list.focal b/eng/common/cross/arm64/sources.list.focal
deleted file mode 100644
index 4de2600c174..00000000000
--- a/eng/common/cross/arm64/sources.list.focal
+++ /dev/null
@@ -1,11 +0,0 @@
-deb http://ports.ubuntu.com/ubuntu-ports/ focal main restricted universe
-deb-src http://ports.ubuntu.com/ubuntu-ports/ focal main restricted universe
-
-deb http://ports.ubuntu.com/ubuntu-ports/ focal-updates main restricted universe
-deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-updates main restricted universe
-
-deb http://ports.ubuntu.com/ubuntu-ports/ focal-backports main restricted
-deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-backports main restricted
-
-deb http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse
-deb-src http://ports.ubuntu.com/ubuntu-ports/ focal-security main restricted universe multiverse
diff --git a/eng/common/cross/arm64/sources.list.jammy b/eng/common/cross/arm64/sources.list.jammy
deleted file mode 100644
index 6bb0453029c..00000000000
--- a/eng/common/cross/arm64/sources.list.jammy
+++ /dev/null
@@ -1,11 +0,0 @@
-deb http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe
-deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe
-
-deb http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe
-deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe
-
-deb http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted
-deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted
-
-deb http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
-deb-src http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
diff --git a/eng/common/cross/x64/sources.list.bionic b/eng/common/cross/x64/sources.list.bionic
deleted file mode 100644
index a71ccadcffa..00000000000
--- a/eng/common/cross/x64/sources.list.bionic
+++ /dev/null
@@ -1,11 +0,0 @@
-deb http://archive.ubuntu.com/ubuntu/ bionic main restricted universe
-deb-src http://archive.ubuntu.com/ubuntu/ bionic main restricted universe
-
-deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe
-deb-src http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe
-
-deb http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
-deb-src http://archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
diff --git a/eng/common/cross/x64/sources.list.xenial b/eng/common/cross/x64/sources.list.xenial
deleted file mode 100644
index ad9c5a0144e..00000000000
--- a/eng/common/cross/x64/sources.list.xenial
+++ /dev/null
@@ -1,11 +0,0 @@
-deb http://archive.ubuntu.com/ubuntu/ xenial main restricted universe
-deb-src http://archive.ubuntu.com/ubuntu/ xenial main restricted universe
-
-deb http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe
-deb-src http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe
-
-deb http://archive.ubuntu.com/ubuntu/ xenial-backports main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ xenial-backports main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
-deb-src http://archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
diff --git a/eng/common/cross/x86/sources.list.focal b/eng/common/cross/x86/sources.list.focal
deleted file mode 100644
index 99d5731330e..00000000000
--- a/eng/common/cross/x86/sources.list.focal
+++ /dev/null
@@ -1,11 +0,0 @@
-deb http://archive.ubuntu.com/ubuntu/ focal main restricted universe
-deb-src http://archive.ubuntu.com/ubuntu/ focal main restricted universe
-
-deb http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe
-deb-src http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe
-
-deb http://archive.ubuntu.com/ubuntu/ focal-backports main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ focal-backports main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
-deb-src http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
diff --git a/eng/common/cross/x86/sources.list.jammy b/eng/common/cross/x86/sources.list.jammy
deleted file mode 100644
index af1c1feaeac..00000000000
--- a/eng/common/cross/x86/sources.list.jammy
+++ /dev/null
@@ -1,11 +0,0 @@
-deb http://archive.ubuntu.com/ubuntu/ jammy main restricted universe
-deb-src http://archive.ubuntu.com/ubuntu/ jammy main restricted universe
-
-deb http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe
-deb-src http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe
-
-deb http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted
-deb-src http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted
-
-deb http://archive.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
-deb-src http://archive.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
diff --git a/eng/common/templates/post-build/post-build.yml b/eng/common/templates/post-build/post-build.yml
index ef8cf549113..53ede714bdd 100644
--- a/eng/common/templates/post-build/post-build.yml
+++ b/eng/common/templates/post-build/post-build.yml
@@ -5,4 +5,4 @@ stages:
     is1ESPipeline: false
 
     ${{ each parameter in parameters }}:
-      ${{ parameter.key }}: ${{ parameter.value }}
+      ${{ parameter.key }}: ${{ parameter.value }}
\ No newline at end of file
diff --git a/global.json b/global.json
index 2b9a9a5500b..dcc285dbd61 100644
--- a/global.json
+++ b/global.json
@@ -13,7 +13,7 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.25562.4",
-    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.25562.4"
+    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.25577.5",
+    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.25577.5"
   }
 }