FYI, the Event Viewer report is--
Product: Windows Home Server 2011 Connector - Update 'Hotfix for Microsoft Windows (KB2781278)' could not be installed. Error code 1603. Additional information is...

There is a NASTY bug unfortunately in the WIN10 Anniversary Upgrade that has broken the WHS 2011 server connector software on the WIN10 client. Once uninstalled, you can not even do a reinstall of...