Exchange 2010 Client Access Licenses (CALs)
Exchange 2010 Client Access Licenses (CALs)
As with the Server licenses, the Exchange Server 2010 CALs have also been significantly improved from the previous versions of Exchange. The Exchange Enterprise is available in the same two variants as before; Exchange Enterprise CAL without Services and Exchange Enterprise CAL with Services.
The following tables provide a detailed feature breakdown for each CAL edition of Exchange Server 2010:
| Feature | Standard CAL | Enterprise CAL | Std. + Ent. CAL (with and without Services) |
| E-mail, Calendar, Contacts, and Tasks | Yes | Yes | |
| Outlook Web App (Internet Explorer, Firefox, and Safari support) | Yes | Yes | |
| Exchange ActiveSync Mobile Access | Yes | Yes | |
| Rich Outlook inbox experience, including enhanced Conversation View and Mail Tips | Yes | Yes | |
| Role Based Administration Control capabilities | Yes | Yes | |
| Integration of IM, SMS, and RSS | Yes | Yes | |
| Federated Calendar Sharing | Yes | Yes | |
| Exchange ActiveSync Mobile Management Policies | Standard | Advanced | All |
| Journaling | Per Database | Per User/Distribution List | All |
| Voicemail with Unified Messaging | No | Yes | Yes |
| Retention Policies | Default | Custom | All |
| Integrated Archive* | No | Yes | Yes |
| Multi-Mailbox Search and Legal Hold | No | Yes | Yes |
| Information Protection & Control (IPC): journal decryption, transport protection rules, Outlook protection rules, IRM Search, and Legal Hold | No | Yes | Yes |
Customers may buy the standard CAL standalone, but those who want to acquire the Enterprise features as listed above must purchase both the standard and the Enterprise CALs.