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SharePoint Sites and Pages Powershell Warmup Script

Very nice little script i created to warmup all PWA pages and workspaces.
Simply replace the SiteURL and the SitePages with your own values and place the code in a file named "SharePointWarmup.ps1".
Run the script in Powershell or Task Scheduler.

 $SiteURL = "http://intra/PWA/"  
 $SitePages =   
 Add-PsSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue   
 $timeout = 240000 #=4 min   
 Add-Type -ReferencedAssemblies "System.Net" -TypeDefinition @"   
 using System.Net;   
 public class WarmupWebClient:WebClient  
   private int timeout = 60000;   
   public WarmupWebClient(int timeout) {this.timeout = timeout;}  
   protected override WebRequest GetWebRequest(System.Uri webUrl)   
     WebRequest requestResponse = base.GetWebRequest(webUrl);   
     requestResponse.Timeout = this.timeout;   
     return requestResponse;   
 function HitPage($url)  
     Write-Host "Hitting page: $url"   
     $wc = New-Object WarmupWebClient($timeout)   
     $wc.Credentials = [System.Net.CredentialCache]::DefaultCredentials   
     $ret = $wc.DownloadString($url)   
   catch [Exception]   
     Write-Host "Failed to hit page. Message was: $($_.Exception.Message)"   
 foreach ($site in $SitePages)   
   $warmupSite = $SiteURL + $site  
 Write-Host "All sites have been hit"   

Of cause you want this script to be run on a timely schedule so remember to check out my other post on how to do exactly that Run Powershell from Task Scheduler .


  1. Hello, it's with great happiness that I tried your script!
    thanks for that great post.
    for those who will copy the script, be careful that powershell does not support space before the "@


  2. Another comment: what is your propose schedule to run such script? daily, hourly,each minute?

  3. Hi Jérome,
    Thank you for the correction with the @" (must be the HTML formatter that have added it).

    In a normal environment the IIS is configured to recycle at 02:00. So i would suggest to run the schedule on a daily basis between 03:00-08:00.
    However normally I just configure it to run every 3 hours to give a better user experience.

    Check IIS Recycle Schedule
    1. Open IIS Manager.
    2. In the Connections pane, expand the server node and click Application Pools.
    3. On the Application Pools page, select an application pool
    4. Click Recycling in the Actions pane.
    5. Select Specific time(s), and in the corresponding box type a time at which you want the application pool to recycle daily.

  4. thanks a lot for your quick answer! I really like it especially to keep excel services up and running!


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