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Exchange 2. 01. 0 HAProxy Virtual Load Balancer. An extra added cost to Exchange 2. These start at over 1. HAProxy is a widely used, reliable and stable Load Balancer for Linux and a few weeks ago I began looking at it as an alternative for Exchange 2. I found a good article here. The one problem for many Exchange administrators is that they dont have time to learn about Linux just to try it out, so I began to think that it would be great if someone made a virtual appliance just like many of the HLB vendors sell with an easy to use management interface aimed squarely at Exchange 2. The Exchange 2. 01. HAProxy VLB Appliance is a free Layer 4 based virtual load balancer that runs in VMware or Hyper V environments. It doesnt require Linux knowledge to get up and running and is managed using a simple, easy to use, web based management interface screenshots below. For the initial release its not aimed at your production environment yet but as more people test it out and help refine it, future versions will be and will be free, naturally. Prerequisites. Before you start, you need to have an understanding of how the load balancer fits in your environment. Typically clients will connect to it for web services, like OWA, and also through Outlook via MAPI, using a Client Access Array as illustrated by this simplified diagram In addition to planning your environment, youll also need some other information for the load balancer setup IP address for management. IP address for the virtual load balancer interface, in the same subnet. DNS and NTP server addresses. Client Access Server IP addresses. Network Access from the virtual load balancer interface to the following TCP ports on the Client Access Servers. HTTPHTTPS1. 35,1. RPC Client Access. Note that if youre testing this in a perimeter network, you only need ports 8. Exchange servers. Installation. The process for installation is fairly straightforward Download and import the appliance. Boot it up and set the management IP address via the console. Visit the web based management interface and set a password, load balanced virtual IP address, set a few details like time zone and DNS server and finally add your first client access server. Log in and add your other client access servers and follow instructions within the management interface as to how to set up static RPC TCPIP ports on your client access servers. The following videos show the installation and initial setup procedure both for VMware and Hyper V environments VMware v. Sphere Hyper V 2. R2. Management. The management interface is intended to be fairly simple. After initial setup and login, you should after the settings have taken effect basic statistics for the underlying HAProxy load balancer, showing the number of sessions and state of the Client Access Servers The initial version uses Layer 4 load balancing, and uses the client source IP address for client affinity and doesnt have intelligent application level monitoring and SSL offload yet. Therefore you just need to correctly configure static RPC ports RPC Client Access, port 6. Address Book Service, port 6. IP addresses of each client access server to load balance On the remaining tabs, you have access to change the management and load balancer IP addressing, set the time zone and NTP servers, update the management interface password and check the logs for the management interface and underlying software that propagates changes made through the UI Should you wish, you can also log in at the console using the root password credentials youll set on initial startup. From here, its a standard minimal Ubuntu installation though any changes to settings that are usually managed through the UI will be overwritten the next time they are changed through the UI To actually send traffic to the load balancer, you need to consider the configuration of your environment and have setup your Client Access Array then the associated DNS names for web and RPC Client Access. Download. Version 0. VMware v. Sphere Compatible OVF file, zippedmd. Download Games For Your Arcade. BEFORE YOU LEAVE LIKE OUR FACEBOOK PAGE AND SUB TO OUR YOUTUBE AND WELL LOVE YOU LONG TIMEcookie. Name w. Bounce,is. Aggressive false,is. Sitewide true,hesitation ,open. Animation jello,exit. Web Test Tools. How to advertiseon Softwareqatest. More than 5. 70 tools listed in 1. How to Handle Personal Feedback During a Performance Review. Performance reviews can be nerve wracking, especially if youre not sure what youre going to hear from your boss. 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