We just upgraded the server and most clients to GW8. On one mac client, the user's mailbox shows just fine in online mode, but in caching mode nothing shows up in any of the folders, including the mailbox. Her account is fine, she also uses a PC and the account at that machine works fine in both online and caching mode. I have done a clean install of the client and tried deleting and re-creating the caching folder. All the settings are correct, unless I've just plain missed one. This user travels quite a bit, so this is an important thing to have working correctly on her macbook. I can find nothing on the web about this issue. This is the only user having this issue, but I don't think there is anything unique about either her macbook or her groupwise account.