Scaling Microsoft Servers

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At Barracuda Networks, we work closely with all of our Technology Partners to bring key solutions that solve our customers’ needs. Today I wanted to highlight some of the Load Balancing and scalability solutions that we’ve produced with Microsoft.

Barracuda Networks is a Microsoft certified Unified Communications Load Balancer partner and have been working closely with Microsoft to create certified configurations to scale Microsoft Exchange Server 2010 and Office Communications Server 2007 R2. We’ve built three key deployment configurations that balance traffic across several servers:

  • Enterprise pool with multiple front-end servers: In this scenario, the Barracuda Load Balancer acts as the connectivity point to multiple front-end servers in an Enterprise pool in consolidated and expanded configuration. In the expanded configuration, the Barracuda Load Balancer also balances traffic to the Web Components servers of the Enterprise pool.
  • Array of Directors: In this scenario, the Barracuda Load Balancer serves as the connectivity point to multiple Directors in an array.
  • Array of Edge Servers: In this scenario, the Barracuda Load Balancer serves as the connectivity point to both the internal and external NICs for multiple Edge Servers in an array.

These configurations have been rigorously tested by both Microsoft and Barracuda Networks to ensure interoperability, scalability and ease of deployment. We have numerous customers already using the deployment in production and we’ve received overwhelmingly positive feedback from our customers about our price performance and ease-of-use.

“It took me less than an hour to set up (the Barracuda Load Balancer with) OCS 2007 and only a few hours (to set up ) Exchange & Sharepoint services.”

–          Server Engineering Manager at Midwest medical technology company

The solution guides for both Exchange 2010 and Office Communication Server 2007 R2 can be found on Microsoft’s Microsoft Unified Communications Load Balancer technet page or on Barracuda Networks’ solution page at

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