Use the table on this page to compare Live Communications Server 2003 features to features of Live Communications Server 2005 Standard Edition and Live Communications Server 2005 Enterprise Edition.
On this page
Connect and collaborate
KEY:
= Feature Included
= Improved in Live Communications Server 2005 
= New in Live Communications Server 2005
| Features |
Live Communications Server 2003 |
Live Communications Server 2005 Standard Edition |
Live Communications Server 2005 Enterprise Edition |
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Microsoft Office Live Meeting integration
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Share security-enhanced instant messaging (IM) and presence between two or more organizations (federation)
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Connectivity to MSN, AOL, and Yahoo! public IM service providers1 |
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Link corporate telephone system and computers (private branch exchange (PBX) and public switched telephone network (PSTN) integration)3
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Presence awareness and contacts
KEY:
= Feature Included
= Improved in Live Communications Server 2005 = New in Live Communications Server 2005
| Features |
Live Communications Server 2003 |
Live Communications Server 2005 Standard Edition |
Live Communications Server 2005 Enterprise Edition |
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Presence status control (online, away, busy)
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Do not disturb setting, disabling notifications3
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Server-side or "roaming" contact list
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Integration with Microsoft Office programs
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Support for Microsoft Office Communicator 20052
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Offline presence status3
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150+ contacts supported
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Contact search outside contact list3 |
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Microsoft Exchange Server free/busy and Out of Office information3
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Real-time collaboration features
KEY:
= Feature Included
= Improved in Live Communications Server 2005 = New in Live Communications Server 2005
| Features |
Live Communications Server 2003 |
Live Communications Server 2005 Standard Edition |
Live Communications Server 2005 Enterprise Edition |
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IM
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Audio and video
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Handwriting messages (ink support)
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| Application and whiteboard sharing
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| Desktop sharing (remote assistance)
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| Point-to-point file transfer
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| Multi-party data and application sharing3
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| Support for the Public IM Connectivity Service2,3
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Server performance
KEY:
= Feature Included
= Improved in Live Communications Server 2005 = New in Live Communications Server 2005
| Features |
Live Communications Server 2003 |
Live Communications Server 2005 Standard Edition |
Live Communications Server 2005 Enterprise Edition |
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Active user capacity
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8-10,000 per server
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Up to 15,000 per server |
Over 100,000 per server pool
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Scalability planning tools
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Failover support for planned growth or unplanned downtime
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Clustering capability
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Security
KEY:
= Feature Included
= Improved in Live Communications Server 2005 = New in Live Communications Server 2005
| Features |
Live Communications Server 2003 |
Live Communications Server 2005 Standard Edition |
Live Communications Server 2005 Enterprise Edition |
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Optional logging of text messages
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Optional archiving of text messages4
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Audio/video and IM text encryption
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| Kerberos, NT LAN Manager (NTML) authentication
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| Protection against unsolicited instant messages (spam over IM (SPIM) control filters)
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| URL blocking
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Administration and reporting
KEY:
= Feature Included
= Improved in Live Communications Server 2005 = New in Live Communications Server 2005
| Features |
Live Communications Server 2003 |
Live Communications Server 2005 Standard Edition |
Live Communications Server 2005 Enterprise Edition |
| Manage both Live Communications Server 2003 and 2005 servers
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| Support for Microsoft Operations Manager 2000 versions and Microsoft Management Console (MMC)
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| Support for Microsoft Operations Manager 2005 and MMC
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| Capacity Planning Toolkit
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| Active Directory service integration
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| Group Policy Object management
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| Enable users by per-user, bulk-user, and per-feature basis
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| Data recovery
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| XML-based management tools
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| Enhanced federation support using DNS2 |
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Extensible standards-based platform
KEY:
= Feature Included
= Improved in Live Communications Server 2005 = New in Live Communications Server 2005
| Features |
Live Communications Server 2003 |
Live Communications Server 2005 Standard Edition |
Live Communications Server 2005 Enterprise Edition |
| Server application programming interface (API)
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| Updated client APIs
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1Public IM Connectivity is a separate service license and is additional to the Live Communications Server Client Access License (CAL). For pricing and licensing details, please visit the How to Buy Live Communications Server page.
2This feature requires Live Communications Server 2005 Service Pack 1 (SP1). For more information on SP1, see the Live Communications Server Service Pack 1 Overview.
3This feature is best supported when using Microsoft Office Communicator 2005. For more information on Office Communicator, see the Microsoft Office Communicator 2005 Overview.
4This feature requires a non-Microsoft partner solution for full compliance with United States government regulations for electronic communication required by the Sarbanes-Oxley Act of 2002 (SOX), the Health Insurance Portability and Accountability Act (HIPAA), the National Association of Securities Dealers (NASD), and the Securities and Exchange Commission (SEC). Get more information on Live Communications Server partner solutions.
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