The Windows Home Server backup client only supports Windows based PCs and NTFS formatted volumes.
That being said... you can still use Windows Home Server as a repository for your backups if you have a way of generating yourself or another mechanism (such as firing off a script every day to tarball up your home directory and send it to a share on the server).
Proposed as answer bykariya21ModeratorThursday, December 11, 2008 3:57 AM