PnP.PowerShell lets you connect to on-premises SharePoint 2013/2016/2019 sites using your Windows credential (e.g. domain\user). Simply use the -TransformationOnPrem and -CurrentCredential switches as shown in the Pnp.PowerShell docs Connect-PnPOnline -Url "http://sharepointfarm/Teams/MarketingAndCommunications" -TransformationOnPrem -CurrentCredential Note that this option is only supported for page transformation commands, i.e. to to help transform on-premises…