Thursday, 16 February 2012

Resetting the SharePoint 2010 search index using PowerShell

The script here resets the SharePoint 2010 search index, which I have posted as there is no out-of-the-box cmdlet for doing this. This effectively does the same thing as the Index Reset option for the search service application in Central Administration:


Note there are two parameters you can specify in the Reset method:

  • Disable alerts: $true if the Search alerts should be disabled during reset; otherwise, $false. Selecting $true here is the same as ticking the “Deactivate search alerts during reset” checkbox shown in the screenshot above.
  • Ignore unreachable server: $true if the failures to connect to servers are ignored; otherwise, $false.

In the script example I have added below, both options are set to $false. Note that running this script will permanently delete all crawled data in the search service application – you will need to re-crawl your content sources to get it back.

#Get the search service application
#You will need to specify the -Identity switch and a name if you have more than one
$sa = Get-SPEnterpriseSearchServiceApplication

#Reset index with the following options in brackets:
#Disable Alerts $true/$false
#Ignore unreachable server $true/$false
    Write-Host "Attempting to reset the index...please wait"
    $sa.Reset($false, $false)
    Write-Host "Index successfully reset" -ForegroundColor Blue
    Write-Host "There was a problem resetting the index:" $_ -ForegroundColor Red


  1. How would you do this for SharePoint Foundation 2010 ?

  2. Is anything else required to do to get crawls to properly index content again???? Thank you, Tom

  3. Very clear explanation about Resetting the SharePoint 2010 search index using PowerShell.
    SharePoint Online Training

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