A mailbox requires a full client license (and is marked as a full client license mailbox) if it has been accessed by any of the following:
The GroupWise
GroupWise Notify (notify.exe) or GroupWise Address Book (addrbook.exe)
The GroupWise Cross-Platform client (groupwise)
A third-party plug-in to the GroupWise client API
The Microsoft* Outlook* Plug-In for GroupWise 5.5
The Microsoft Outlook Connector for GroupWise 7
Microsoft Outlook with the GroupWise Windows client installed
A mailbox requires a limited client license only (and is marked as a limited client license mailbox) if access to it has been limited to the following:
The GroupWise WebAccess client (including wireless devices)
A GroupWise Windows or WebAccess client via the Proxy feature
Any GroupWise client via the Busy Search feature
A POP client
An IMAP client
A SOAP client
A trademark symbol (