Hello, I am currently evaluating load balancers for Exchange 2010. I have narrowed down to 1 Equipment Manufacturer based on Microsoft Listing of Supported HLB. i will need some guidance on how to correctly size and select the best fit model. For example looking at a user base of 600 users how can i estimate(No of Requests per second) in order to plan for performance. According to the Exchange 2010 documentation the following are some of the criteria to cosider. Performance How many requests per second can the solution handle? Manageability FailOver and Automatic Detection Affinity Regards D Akinzo

Hi I think this is a question for a network specialist/network forum and doesn't fit this forum But if I'm wrong I will be happy to read the answers :) Jonas Andersson MCTS: Microsoft Exchange Server 2007/2010 | MCITP: EMA 2007/2010 | MCSE/MCSA Blog: http://www.testlabs.se/blog

Hello yes you can contact any of this vendors if you are planning from Performance point of view such as F5 BIG-IP, Cisco ACE, Citrix NetScaler etc Personally i would recommended you to go with http://www.kemptechnologies.com/emea/ Thanks Mhussain