This post contains the code to update Managed Metadata column value in Library. Add-PSSnapin Microsoft.Sharepoint.Powershell cls #Log Variables $basePath = split-path $SCRIPT:MyInvocation.MyCommand.Path -parent Set-Location $basePath #SP variables $web=$null ; $list=$null; $SiteURL = "https://mysharepointsite/en-us"# Library Site Url $ListName = "Pages";# List Name $FieldName="Document" $termStoreName = "Managed Metadata Service Application" $termGroupName = "Document_Content" $termSetName = "DocumentName" $MMDValueToUpdate = "Technical Doc" #Pre-requisite checks Try { #Web Check $web = Get-SPWeb $SiteURL if($web -eq $null) { Write-Host "Cannot find an SPSite object that contains the following Id or Url: $SiteURL" $_.Exception.Message Exit } #List Check $list = $web.Lists[$ListName] if($...