Hi all. I have finally got networked users working on my Lion Server environment however have hit a stumbling block with getting a shared iCal environment up and running. I have setup the iCal service to be on in Server.app however receive an error when trying to set up an account. Here are the steps I take. 1. Login as a user (have tried local administrators, network administrators and network users on both the server and clients). 2. System Preferences. 3. Mail, Contacts & Calendars. 4. Add Account - Other. 5. Add a Mac OS X server account, Create. 6. Select the Lion Server, Continue. 7. Have tried combinations of Full Name, Username and Password for different users. 8. When I click Setup it comes back with a message saying "Unable to verify user credentials". There is the following entry in the console, but no other information available: 9/10/11 11:47:48.779 PM System Preferences: The operation couldnt be completed. (kCFStreamErrorDomainHTTP error 404.) I have googled everywhere and am out of ideas, does anyone have any suggestions please? Not even sure where to look next... Thanks.