diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index d2cfa87ea9..80d87b3435 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -3,9 +3,9 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.21263.1">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.21263.5">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>6b9758661f4483a70654bcaf6f8d7c6a79ee5660</Sha>
+      <Sha>e8d0df4f35cfa23174fe7204ef958cf5d1b8e797</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/post-build/sourcelink-validation.ps1 b/eng/common/post-build/sourcelink-validation.ps1
index 8c554729b6..85c8986171 100644
--- a/eng/common/post-build/sourcelink-validation.ps1
+++ b/eng/common/post-build/sourcelink-validation.ps1
@@ -16,6 +16,8 @@ $global:RepoFiles = @{}
 # Maximum number of jobs to run in parallel
 $MaxParallelJobs = 16
 
+$MaxRetries = 5
+
 # Wait time between check for system load
 $SecondsBetweenLoadChecks = 10
 
@@ -29,7 +31,10 @@ $ValidatePackage = {
   # Ensure input file exist
   if (!(Test-Path $PackagePath)) {
     Write-Host "Input file does not exist: $PackagePath"
-    return 1
+    return [pscustomobject]@{
+      result = 1
+      packagePath = $PackagePath
+    }
   }
 
   # Extensions for which we'll look for SourceLink information
@@ -59,7 +64,10 @@ $ValidatePackage = {
 
           # We ignore resource DLLs
           if ($FileName.EndsWith('.resources.dll')) {
-            return
+            return [pscustomobject]@{
+              result = 0
+              packagePath = $PackagePath
+            }
           }
 
           [System.IO.Compression.ZipFileExtensions]::ExtractToFile($_, $TargetFile, $true)
@@ -91,36 +99,49 @@ $ValidatePackage = {
                     $Status = 200
                     $Cache = $using:RepoFiles
 
-                    if ( !($Cache.ContainsKey($FilePath)) ) {
-                      try {
-                        $Uri = $Link -as [System.URI]
-                      
-                        # Only GitHub links are valid
-                        if ($Uri.AbsoluteURI -ne $null -and ($Uri.Host -match 'github' -or $Uri.Host -match 'githubusercontent')) {
-                          $Status = (Invoke-WebRequest -Uri $Link -UseBasicParsing -Method HEAD -TimeoutSec 5).StatusCode
+                    $totalRetries = 0
+
+                    while ($totalRetries -lt $using:MaxRetries) {
+                      if ( !($Cache.ContainsKey($FilePath)) ) {
+                        try {
+                          $Uri = $Link -as [System.URI]
+                        
+                          # Only GitHub links are valid
+                          if ($Uri.AbsoluteURI -ne $null -and ($Uri.Host -match 'github' -or $Uri.Host -match 'githubusercontent')) {
+                            $Status = (Invoke-WebRequest -Uri $Link -UseBasicParsing -Method HEAD -TimeoutSec 5).StatusCode
+                          }
+                          else {
+                            # If it's not a github link, we want to break out of the loop and not retry.
+                            $Status = 0
+                            $totalRetries = $using:MaxRetries
+                          }
                         }
-                        else {
+                        catch {
+                          Write-Host $_
                           $Status = 0
                         }
                       }
-                      catch {
-                        write-host $_
-                        $Status = 0
-                      }
-                    }
 
-                    if ($Status -ne 200) {
-                      if ($NumFailedLinks -eq 0) {
-                        if ($FailedFiles.Value -eq 0) {
-                          Write-Host
+                      if ($Status -ne 200) {
+                        $totalRetries++
+                        
+                        if ($totalRetries -ge $using:MaxRetries) {
+                          if ($NumFailedLinks -eq 0) {
+                            if ($FailedFiles.Value -eq 0) {
+                              Write-Host
+                            }
+  
+                            Write-Host "`tFile $RealPath has broken links:"
+                          }
+  
+                          Write-Host "`t`tFailed to retrieve $Link"
+  
+                          $NumFailedLinks++
                         }
-
-                        Write-Host "`tFile $RealPath has broken links:"
                       }
-
-                      Write-Host "`t`tFailed to retrieve $Link"
-
-                      $NumFailedLinks++
+                      else {
+                        break
+                      }
                     }
                   }
               }
@@ -136,7 +157,7 @@ $ValidatePackage = {
         }
   }
   catch {
-  
+    Write-Host $_
   }
   finally {
     $zip.Dispose() 
@@ -220,6 +241,7 @@ function ValidateSourceLinkLinks {
   # Process each NuGet package in parallel
   Get-ChildItem "$InputPath\*.symbols.nupkg" |
     ForEach-Object {
+      Write-Host "Starting $($_.FullName)"
       Start-Job -ScriptBlock $ValidatePackage -ArgumentList $_.FullName | Out-Null
       $NumJobs = @(Get-Job -State 'Running').Count
       
@@ -267,6 +289,10 @@ function InstallSourcelinkCli {
 try {
   InstallSourcelinkCli
 
+  foreach ($Job in @(Get-Job)) {
+    Remove-Job -Id $Job.Id
+  }
+
   ValidateSourceLinkLinks 
 }
 catch {
diff --git a/eng/common/post-build/symbols-validation.ps1 b/eng/common/post-build/symbols-validation.ps1
index f26f6de81f..a5af041ba7 100644
--- a/eng/common/post-build/symbols-validation.ps1
+++ b/eng/common/post-build/symbols-validation.ps1
@@ -133,27 +133,27 @@ $CountMissingSymbols = {
         elseif (Test-Path $SymbolPath) {
           return 'Module'
         }
-        elseif ($output.Contains("503 Service Unavailable")) {
-          # If we got a 503 error, we should retry.
+        else
+        {
           $totalRetries++
         }
-        else {
-          return $null
-        }
       }
       
       return $null
     }
 
+    $FileGuid = New-Guid
+    $ExpandedSymbolsPath = Join-Path -Path $SymbolsPath -ChildPath $FileGuid
+
     $SymbolsOnMSDL = & $FirstMatchingSymbolDescriptionOrDefault `
         -FullPath $FileName `
         -TargetServerParam '--microsoft-symbol-server' `
-        -SymbolsPath $SymbolsPath `
+        -SymbolsPath "$ExpandedSymbolsPath-msdl" `
         -WindowsPdbVerificationParam $WindowsPdbVerificationParam
     $SymbolsOnSymWeb = & $FirstMatchingSymbolDescriptionOrDefault `
         -FullPath $FileName `
         -TargetServerParam '--internal-server' `
-        -SymbolsPath $SymbolsPath `
+        -SymbolsPath "$ExpandedSymbolsPath-symweb" `
         -WindowsPdbVerificationParam $WindowsPdbVerificationParam
 
     Write-Host -NoNewLine "`t Checking file " $FileName "... "
@@ -217,6 +217,7 @@ function CheckSymbolsAvailable {
     Remove-Item $ExtractPath -Force  -Recurse -ErrorAction SilentlyContinue
   }
 
+  $TotalPackages = 0
   $TotalFailures = 0
   $DupedSymbols = 0
 
@@ -239,6 +240,8 @@ function CheckSymbolsAvailable {
         return
       }
 
+      $TotalPackages++
+
       Start-Job -ScriptBlock $CountMissingSymbols -ArgumentList @($FullName,$WindowsPdbVerificationParam) | Out-Null
 
       $NumJobs = @(Get-Job -State 'Running').Count
@@ -264,11 +267,11 @@ function CheckSymbolsAvailable {
 
   if ($TotalFailures -gt 0 -or $DupedSymbols -gt 0) {
     if ($TotalFailures -gt 0) {
-      Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "Symbols missing for $TotalFailures packages"
+      Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "Symbols missing for $TotalFailures/$TotalPackages packages"
     }
 
     if ($DupedSymbols -gt 0) {
-      Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "$DupedSymbols packages had duplicated symbol files"
+      Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "$DupedSymbols/$TotalPackages packages had duplicated symbol files and could not be extracted"
     }
     
     ExitWithExitCode 1
diff --git a/global.json b/global.json
index 2c70714615..dc19920104 100644
--- a/global.json
+++ b/global.json
@@ -17,6 +17,6 @@
     "xcopy-msbuild": "16.8.0-preview2.1"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21263.1"
+    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21263.5"
   }
 }