Accessing personal folders from iPads using WebDav on Lion Server 10.7

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http://serverfault.com – I am setting up Lion server so users on an Active Directory network can access webdav folders from iPads. I have got this working fine when accessing a shared multi user folder. I want users to also be able to access their own personal folders, with no one else being able to access the folder. I can share the Users folder out to Active Directory groups but this will give each user access to other users folders how can I fix this without manually creating each folder and sharing it to each user? (HowTos)