If you have downloaded the Windows 8 Consumer Preview and you have tried to connect it to your Windows Home Server 2011 box then you will have problems. Fortunately Microsoft has already posted a workaround.
The following are known issues you might encounter during beta testing windows 8 client, with Windows Small Business Server 2011 Essentials, Windows Storage Server 2008 R2 Essentials and Windows Home Server 2011.
Note this is preview version of Windows 8 client, some known issues are still under investigation, further resolution will be published with final Windows 8 client version.
You need to Enable .net 3.5 in windows 8 in order to join WHS 2011
When you tried to join a windows 8 client machine to WHS 2011, you will see an error.
You need to enable .Net Framework 3.5.
To enable .Net Framework 3.5 in Windows 8 32bit OS
1. Log on to the Widows 8 client machine.
2. Click Start, Type Control Panel, and then press Enter to open Control Panel.
3. Click Uninstall a program.
4. Click Turn Windows features on or off.
5. Check all .Net Framework 3.5 Items in pop-up Windows Features dialog.
6. Click OK to Search and download required files, and then complete .Net Framework 3.5 Components installation.
Note this issue only applies to WHS 2011.
Power setting of Client backup doesn’t work.
When configuration client backup for windows 8 client, if user chooses to allow auto wake up for client backup, the setting will not take effective.
The thumbnail of picture folder is not displayed properly in Remote Web Access page.
From the windows 8 client, open Remote web access site, navigate to picture page.
The thumbnail inside the the folder that should display the pictures can not be displayed.
When user tried to access the share folders from client computers that had joined home group, user still get prompts for credential.
Join the window 8 client machine to home group,
Log on to the client, try to access the shared folder of the server, it still prompt user for credentials.
Note this only applied to WHS 2011 and Windows Storage Server 2008 R2 Essentials.