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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Categories: administration, content databases, content DB, Crawl, Index, SharePoint 2019, sharepoint server

Tags: content source, content-source, ContentType, Get-SPEnterpriseSearchServiceApplication, IIS, Index Reset content source, index-content, index-reset, Partial Index Reset, partial-index, powershell script, powershellscript, rebuild index, sharepoint 2010, SharePoint 2013, sharepoint2010, sharepoint2013