Partial Index Reset of a single content source


This script will remove and re-add your content source's start addresses.
SharePoint will more or less rebuild the index for these sources, when the next full crawl is started.

$sourceName = "Local SharePoint sites"

$SSA = Get-SPEnterpriseSearchServiceApplication
$source = Get-SPEnterpriseSearchCrawlContentSource -Identity $sourceName -SearchApplication $SSA
$startaddresses = $source.StartAddresses | ForEach-Object { $_.OriginalString }
$source.StartAddresses.Clear()
ForEach ($address in $startaddresses ){ $source.StartAddresses.Add($address) }


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