Microsoft have released the app for Windows Phone 7 that connects to Windows Home Server, Windows Small Business Server 2011 and Windows Storage Server R2 Essentials. The Windows Server Solutions Phone Connector is based on an app for the phone and a component you install on the server. With the app you can perform server management tasks, media streaming and there is a Live Tile showing the count of health alerts, percentage of used storage and the server name.
Download the server addin from Microsoft and the app can be found in the Zune marketplace.
Windows Server Solutions Phone Connector Add-in
The Windows Server® Solutions Phone Connector add-in enables you to connect to your home, business, or storage server by using your Windows Phone 7 phone. After completing the integration of your Windows Phone 7 phone into a Windows Server Solutions server, you can use your phone to perform remote server management tasks (such as view alerts, manage users, and start and stop backups). In addition, with appropriate permissions, you can use your phone to view or access media files that are stored on the server.