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Scalability

 

Topic Last Modified: 2010-11-08

Microsoft Lync Server 2010 is offered in two editions, Enterprise Edition and Standard Edition. The different editions are intended primarily for different sizes of organizations. As shown in the following table, both editions support all functionality in all workloads, except for high availability.

 

Feature Supported in Enterprise Edition? Supported in Standard Edition?

IM and presence

Yes

Yes

Conferencing

Yes

Yes

A/V Conferencing

Yes

Yes

Dial-in Conferencing

Yes

Yes

Enterprise Voice

Yes

Yes

Virtualization

Yes

Yes

High Availability and Failover

Yes

No

Each Enterprise Edition Front End Server can support 10,000 users, and these servers can be grouped into pools which support 80,000 users. In a pool, if one Front End Server goes down, the connections and sessions are transferred seamlessly to the other servers in the pool, providing automatic failover. Each site on your network can have multiple Front End pools, to support even more than 80,000 users per site.

Each Standard Edition server can support 5,000 users. You could deploy multiple Standard Edition servers if you need to support more users, but the failover and high availability functionality of this edition is limited.

 
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