diff --git a/.azure-pipelines/common-templates/install-tools.yml b/.azure-pipelines/common-templates/install-tools.yml
index c1f65040840..8cd8f579cf3 100644
--- a/.azure-pipelines/common-templates/install-tools.yml
+++ b/.azure-pipelines/common-templates/install-tools.yml
@@ -27,11 +27,11 @@ steps:
       script: |
         Write-Output $PSVersionTable
 
-  - task: NodeTool@0
+  - task: UseNode@1
     displayName: Install NodeJs
     retryCountOnTaskFailure: 2
     inputs:
-      versionSpec: 18.x
+      version: 22.x
 
   - task: PowerShell@2
     displayName: Configure private npm feed
@@ -93,7 +93,7 @@ steps:
     inputs:
       command: custom
       workingDir: $(Build.SourcesDirectory)
-      customCommand: install --no-package-lock @microsoft/rush
+      customCommand: install --no-package-lock @microsoft/rush@5.170.1
   
   - task: PowerShell@2
     displayName: Rush Build
diff --git a/tools/GenerateModules.ps1 b/tools/GenerateModules.ps1
index a9db04f30bb..91e42e1a13a 100644
--- a/tools/GenerateModules.ps1
+++ b/tools/GenerateModules.ps1
@@ -65,7 +65,7 @@ if (-not ($RushInstalled -and $AutoRestInstalled)) {
     Write-Host "Node build tools not found at '$RepoRoot'. Installing rush and autorest..."
     Push-Location $RepoRoot
     try {
-        npm install --no-package-lock '@microsoft/rush' 'autorest@3.7.2' '@autorest/core@3.10.4'
+        npm install --no-package-lock '@microsoft/rush@5.170.1' 'autorest@3.7.2' '@autorest/core@3.10.4'
         if ($LASTEXITCODE -ne 0) {
             throw "Command 'npm install' for Node build tools (rush, autorest) failed with exit code $LASTEXITCODE."
         }
@@ -159,8 +159,7 @@ $AutoRestTempFolder | ForEach-Object {
 }
 
 $Stopwatch = [system.diagnostics.stopwatch]::StartNew()
-$CpuCount = (Get-CimInstance Win32_Processor | Measure-Object -Property NumberOfLogicalProcessors -Sum).Sum
-$Throttle = [int][math]::Max(1, [math]::Min(4, $CpuCount / 2))  # Use half the CPU count but max 4, min 1
+$Throttle = 1
 $Results = $ModuleToGenerate | ForEach-Object -Parallel {
     $Module = $_
     Write-Host -ForegroundColor Green "-------------'Generating $Module'-------------"