Lab environment: One Exchange 2013, One Windows 2016 not joined to the domain. Prepare your server with : Import-Module ServerManager PS C:\Users\adminlab> Add-WindowsFeature Web-Static-Content,Web-Default-Doc,Web-Dir-Browsing,Web-Http-Errors,Web-Net-Ext,Web-Http-Logging,Web-Request-Monitor,Web-Http-Tracing,Web-Filtering,Web-Stat-Compression,Web-Mgmt-Console,NET-Framework-Core,NET-Non-HTTP-Activ,NET-HTTP-Activation Now install URL Rewrite before install the ARR From Microsoft : ARR depends on URL Rewrite. Ensure URL Rewrite is installed prior to installing ARR. Alternatively, use the Microsoft Web Platform …