diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index ed68f63f071..c9b90ed1a12 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -83,25 +83,25 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.21430.1">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.21451.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>e0260cb677c04cb0244aad7537c33bec4adce422</Sha>
+      <Sha>923c95ec2e9512285f801c84145a8af3728b1e3b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.CodeAnalysis" Version="6.0.0-beta.21430.1">
+    <Dependency Name="Microsoft.DotNet.CodeAnalysis" Version="6.0.0-beta.21451.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>e0260cb677c04cb0244aad7537c33bec4adce422</Sha>
+      <Sha>923c95ec2e9512285f801c84145a8af3728b1e3b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="6.0.0-beta.21430.1">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="6.0.0-beta.21451.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>e0260cb677c04cb0244aad7537c33bec4adce422</Sha>
+      <Sha>923c95ec2e9512285f801c84145a8af3728b1e3b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.ApiCompat" Version="6.0.0-beta.21430.1">
+    <Dependency Name="Microsoft.DotNet.ApiCompat" Version="6.0.0-beta.21451.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>e0260cb677c04cb0244aad7537c33bec4adce422</Sha>
+      <Sha>923c95ec2e9512285f801c84145a8af3728b1e3b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.GenAPI" Version="6.0.0-beta.21430.1">
+    <Dependency Name="Microsoft.DotNet.GenAPI" Version="6.0.0-beta.21451.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>e0260cb677c04cb0244aad7537c33bec4adce422</Sha>
+      <Sha>923c95ec2e9512285f801c84145a8af3728b1e3b</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 5b2d295bf57..c3ecaa0663b 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -39,9 +39,9 @@
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/arcade -->
   <PropertyGroup>
-    <MicrosoftDotNetApiCompatVersion>6.0.0-beta.21430.1</MicrosoftDotNetApiCompatVersion>
-    <MicrosoftDotNetCodeAnalysisPackageVersion>6.0.0-beta.21430.1</MicrosoftDotNetCodeAnalysisPackageVersion>
-    <MicrosoftDotNetGenAPIVersion>6.0.0-beta.21430.1</MicrosoftDotNetGenAPIVersion>
+    <MicrosoftDotNetApiCompatVersion>6.0.0-beta.21451.3</MicrosoftDotNetApiCompatVersion>
+    <MicrosoftDotNetCodeAnalysisPackageVersion>6.0.0-beta.21451.3</MicrosoftDotNetCodeAnalysisPackageVersion>
+    <MicrosoftDotNetGenAPIVersion>6.0.0-beta.21451.3</MicrosoftDotNetGenAPIVersion>
   </PropertyGroup>
   <!-- Maintain System.CodeDom PackageVersion at 4.4.0. See https://github.com/Microsoft/msbuild/issues/3627 -->
   <!-- Pin specific versions of S.Memory so that it would supply AssemblyVersion=4.0.1.0. See https://github.com/dotnet/runtime/issues/31672 -->
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index 56ee4a577ac..02347914f5d 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -709,6 +709,15 @@ function MSBuild() {
       Write-PipelineSetVariable -Name 'NUGET_PLUGIN_REQUEST_TIMEOUT_IN_SECONDS' -Value '20'
     }
 
+    if ($ci) {
+      $env:NUGET_ENABLE_EXPERIMENTAL_HTTP_RETRY = 'true'
+      $env:NUGET_EXPERIMENTAL_MAX_NETWORK_TRY_COUNT = 6
+      $env:NUGET_EXPERIMENTAL_NETWORK_RETRY_DELAY_MILLISECONDS = 1000
+      Write-PipelineSetVariable -Name 'NUGET_ENABLE_EXPERIMENTAL_HTTP_RETRY' -Value 'true'
+      Write-PipelineSetVariable -Name 'NUGET_EXPERIMENTAL_MAX_NETWORK_TRY_COUNT' -Value '6'
+      Write-PipelineSetVariable -Name 'NUGET_EXPERIMENTAL_NETWORK_RETRY_DELAY_MILLISECONDS' -Value '1000'
+    }
+
     $toolsetBuildProject = InitializeToolset
     $basePath = Split-Path -parent $toolsetBuildProject
     $possiblePaths = @(
@@ -717,6 +726,8 @@ function MSBuild() {
       (Join-Path $basePath (Join-Path $buildTool.Framework 'Microsoft.DotNet.Arcade.Sdk.dll')),
       (Join-Path $basePath (Join-Path netcoreapp2.1 'Microsoft.DotNet.ArcadeLogging.dll')),
       (Join-Path $basePath (Join-Path netcoreapp2.1 'Microsoft.DotNet.Arcade.Sdk.dll'))
+      (Join-Path $basePath (Join-Path netcoreapp3.1 'Microsoft.DotNet.ArcadeLogging.dll')),
+      (Join-Path $basePath (Join-Path netcoreapp3.1 'Microsoft.DotNet.Arcade.Sdk.dll'))
     )
     $selectedPath = $null
     foreach ($path in $possiblePaths) {
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index 41e323104df..6a4871ef72b 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -417,6 +417,13 @@ function MSBuild {
       export NUGET_PLUGIN_REQUEST_TIMEOUT_IN_SECONDS=20
       Write-PipelineSetVariable -name "NUGET_PLUGIN_HANDSHAKE_TIMEOUT_IN_SECONDS" -value "20"
       Write-PipelineSetVariable -name "NUGET_PLUGIN_REQUEST_TIMEOUT_IN_SECONDS" -value "20"
+
+      export NUGET_ENABLE_EXPERIMENTAL_HTTP_RETRY=true
+      export NUGET_EXPERIMENTAL_MAX_NETWORK_TRY_COUNT=6
+      export NUGET_EXPERIMENTAL_NETWORK_RETRY_DELAY_MILLISECONDS=1000
+      Write-PipelineSetVariable -name "NUGET_ENABLE_EXPERIMENTAL_HTTP_RETRY" -value "true"
+      Write-PipelineSetVariable -name "NUGET_EXPERIMENTAL_MAX_NETWORK_TRY_COUNT" -value "6"
+      Write-PipelineSetVariable -name "NUGET_EXPERIMENTAL_NETWORK_RETRY_DELAY_MILLISECONDS" -value "1000"
     fi
 
     local toolset_dir="${_InitializeToolset%/*}"
@@ -427,6 +434,8 @@ function MSBuild {
     possiblePaths+=( "$toolset_dir/$_InitializeBuildToolFramework/Microsoft.DotNet.Arcade.Sdk.dll" )
     possiblePaths+=( "$toolset_dir/netcoreapp2.1/Microsoft.DotNet.ArcadeLogging.dll" )
     possiblePaths+=( "$toolset_dir/netcoreapp2.1/Microsoft.DotNet.Arcade.Sdk.dll" )
+    possiblePaths+=( "$toolset_dir/netcoreapp3.1/Microsoft.DotNet.ArcadeLogging.dll" )
+    possiblePaths+=( "$toolset_dir/netcoreapp3.1/Microsoft.DotNet.Arcade.Sdk.dll" )
     for path in "${possiblePaths[@]}"; do
       if [[ -f $path ]]; then
         selectedPath=$path
diff --git a/global.json b/global.json
index 7520c6c3402..f884a93bef3 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "tools": {
-    "dotnet": "6.0.100-rc.1.21416.15",
+    "dotnet": "6.0.100-rc.1.21430.12",
     "runtimes": {
       "dotnet": [
         "2.1.7",
@@ -12,11 +12,11 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21430.1",
-    "Microsoft.DotNet.Helix.Sdk": "6.0.0-beta.21430.1"
+    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21451.3",
+    "Microsoft.DotNet.Helix.Sdk": "6.0.0-beta.21451.3"
   },
   "sdk": {
-    "version": "6.0.100-rc.1.21416.15"
+    "version": "6.0.100-rc.1.21430.12"
   },
   "native-tools": {
     "strawberry-perl": "5.28.1.1-1",