PowerShell: Raise Domain Forest Functional Level

# Raise Forest Functional Level
$forest=Get-ADForest

# 2012R2 Level
Set-ADForestMode -Identity $forest -Server $forest.SchemaMaster -ForestMode Windows2012R2Forest -Confirm=$False

# 2016 Level
Set-ADForestMode -Identity $forest -Server $forest.SchemaMaster -ForestMode Windows2016Forest -Confirm=$False

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