We are expecting trouble using ZCO and Outlook 2010 on a Windows 7 x86 or x64 (same problem) environnement.

The Client works fine during one hour and after it completly freeze (during synchronisation) and we must uninstall it, destroy the Zimbra user profile, install it again and create the profile and it works again for a few hours.

We do not expect this problem using ZCO + Outlook 2007 in the same environement.

Please tell me if you have any idea.