Proxure, the makers of the KeepVault backup software have confirmed support for Windows Home Server Vail.
KeepVault from Proxure is an online backup solution add-in for your important files that your store on your Windows Home Server.
Here is what they have said:
KeepVault.com confirms that a Vail optimized version of their Windows Home Server local+online backup software is currently under development; with an end of August target release date (pending OS changes from Microsoft).
So no specific information other than that, but keep checking UWHS for more news when we have it.
In the mean time, you can check out our review of the KeepVault for Windows Home Server V1: Add-In Review – KeepVault v3.0 for Windows Home Server
For more information on KeepVault, click here: http://www.keepvault.com/