diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 09707f8e4d148..5ea8e6d009212 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -3,13 +3,13 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="7.0.0-beta.21552.5">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="7.0.0-beta.21555.6">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>03c5e4f958575a62f3953edea00d92e460aaae0c</Sha>
+      <Sha>cfc04567090826aeeb0c0e219f2dee8d1b54e8ae</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="7.0.0-beta.21552.5">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="7.0.0-beta.21555.6">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>03c5e4f958575a62f3953edea00d92e460aaae0c</Sha>
+      <Sha>cfc04567090826aeeb0c0e219f2dee8d1b54e8ae</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/post-build/symbols-validation.ps1 b/eng/common/post-build/symbols-validation.ps1
index a4a92efbedf9a..cd2181bafa057 100644
--- a/eng/common/post-build/symbols-validation.ps1
+++ b/eng/common/post-build/symbols-validation.ps1
@@ -134,17 +134,17 @@ $CountMissingSymbols = {
         # Save the output and get diagnostic output
         $output = & $dotnetSymbolExe --symbols --modules $WindowsPdbVerificationParam $TargetServerParam $FullPath -o $SymbolsPath --diagnostics | Out-String
 
-        if (Test-Path $PdbPath) {
-          return 'PDB'
+        if ((Test-Path $PdbPath) -and (Test-path $SymbolPath)) {
+          return 'Module and PDB for Module'
         }
-        elseif (Test-Path $NGenPdb) {
-          return 'NGen PDB'
+        elseif ((Test-Path $NGenPdb) -and (Test-Path $PdbPath) -and (Test-Path $SymbolPath)) {
+          return 'Dll, PDB and NGen PDB'
         }
-        elseif (Test-Path $SODbg) {
-          return 'DBG for SO'
+        elseif ((Test-Path $SODbg) -and (Test-Path $SymbolPath)) {
+          return 'So and DBG for SO'
         }  
-        elseif (Test-Path $DylibDwarf) {
-          return 'Dwarf for Dylib'
+        elseif ((Test-Path $DylibDwarf) -and (Test-Path $SymbolPath)) {
+          return 'Dylib and Dwarf for Dylib'
         }  
         elseif (Test-Path $SymbolPath) {
           return 'Module'
diff --git a/eng/common/templates/job/source-build.yml b/eng/common/templates/job/source-build.yml
index 5023d36dcb3c5..5cd5325d7b4e6 100644
--- a/eng/common/templates/job/source-build.yml
+++ b/eng/common/templates/job/source-build.yml
@@ -31,11 +31,6 @@ parameters:
   #   container and pool.
   platform: {}
 
-  # The default VM host AzDO pool. This should be capable of running Docker containers: almost all
-  # source-build builds run in Docker, including the default managed platform.
-  defaultContainerHostPool:
-    vmImage: ubuntu-20.04
-
 jobs:
 - job: ${{ parameters.jobNamePrefix }}_${{ parameters.platform.name }}
   displayName: Source-Build (${{ parameters.platform.name }})
@@ -47,7 +42,15 @@ jobs:
     container: ${{ parameters.platform.container }}
 
   ${{ if eq(parameters.platform.pool, '') }}:
-    pool: ${{ parameters.defaultContainerHostPool }}
+    # The default VM host AzDO pool. This should be capable of running Docker containers: almost all
+    # source-build builds run in Docker, including the default managed platform.
+    pool:
+      ${{ if eq(variables['System.TeamProject'], 'public') }}:
+        name: NetCore1ESPool-Public
+        demands: ImageOverride -equals Build.Ubuntu.1804.Amd64.Open
+      ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+        name: NetCore1ESPool-Internal
+        demands: ImageOverride -equals Build.Ubuntu.1804.Amd64
   ${{ if ne(parameters.platform.pool, '') }}:
     pool: ${{ parameters.platform.pool }}
 
diff --git a/eng/common/templates/job/source-index-stage1.yml b/eng/common/templates/job/source-index-stage1.yml
index ae85a99a853f4..4af724eb1a9ec 100644
--- a/eng/common/templates/job/source-index-stage1.yml
+++ b/eng/common/templates/job/source-index-stage1.yml
@@ -5,8 +5,6 @@ parameters:
   sourceIndexBuildCommand: powershell -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "eng/common/build.ps1 -restore -build -binarylog -ci"
   preSteps: []
   binlogPath: artifacts/log/Debug/Build.binlog
-  pool:
-    vmImage: 'windows-2019'
   condition: ''
   dependsOn: ''
 
@@ -24,7 +22,13 @@ jobs:
   - ${{ if and(eq(parameters.runAsPublic, 'false'), ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
     - group: source-dot-net stage1 variables
 
-  pool: ${{ parameters.pool }}
+  pool:
+    ${{ if eq(variables['System.TeamProject'], 'public') }}:
+      name: NetCore1ESPool-Public
+      demands: ImageOverride -equals Build.Server.Amd64.VS2019.Open
+    ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+      name: NetCore1ESPool-Internal
+      demands: ImageOverride -equals Build.Server.Amd64.VS2019
   steps:
   - ${{ each preStep in parameters.preSteps }}:
     - ${{ preStep }}
diff --git a/global.json b/global.json
index 8d1f33a35515e..345e334979a1e 100644
--- a/global.json
+++ b/global.json
@@ -3,7 +3,7 @@
     "dotnet": "6.0.100-rc.1.21430.12"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.21552.5",
-    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.21552.5"
+    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.21555.6",
+    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.21555.6"
   }
 }
diff --git a/tests/integration-tests/Helix.SDK.configuration.props b/tests/integration-tests/Helix.SDK.configuration.props
index a9aa5ef977e4d..843263531f540 100644
--- a/tests/integration-tests/Helix.SDK.configuration.props
+++ b/tests/integration-tests/Helix.SDK.configuration.props
@@ -19,8 +19,8 @@
 
     <!-- Upload the diagnostics.json with other results -->
     <IsPosixShell Condition=" '$(IsPosixShell)' != 'false' ">true</IsPosixShell>
-    <HelixPostCommands Condition=" '$(IsPosixShell)' == 'true' ">cp "$XHARNESS_DIAGNOSTICS_PATH" "$HELIX_WORKITEM_UPLOAD_ROOT";$(HelixPostCommands)</HelixPostCommands>
-    <HelixPostCommands Condition=" '$(IsPosixShell)' == 'false' ">copy "%XHARNESS_DIAGNOSTICS_PATH%" "%HELIX_WORKITEM_UPLOAD_ROOT%";$(HelixPostCommands)</HelixPostCommands>
+    <HelixPostCommands Condition=" '$(IsPosixShell)' == 'true' ">cp diagnostics.json "$HELIX_WORKITEM_UPLOAD_ROOT";$(HelixPostCommands)</HelixPostCommands>
+    <HelixPostCommands Condition=" '$(IsPosixShell)' == 'false' ">copy diagnostics.json "%HELIX_WORKITEM_UPLOAD_ROOT%";$(HelixPostCommands)</HelixPostCommands>
   </PropertyGroup>
 
   <!-- For non-ci local runs -->