If you are wanting to test the new version of Windows Home Server, Code Named Vail in either German or Japanese, then you are in luck.
Today Microsoft have released the beta for WHS Vail in both German and Japanese to go along with the versions that had already been released a few weeks ago.
To learn more about Vail click here: Windows Home Server Vail Public Preview
To download the beta, click here: https://connect.microsoft.com/WindowsHomeServer
And don’t forget if you are having any problems with Vail, you can visit the official Microsoft Forum here: http://social.microsoft.com/Forums/en-US/whsvailbeta/threads