Bhargav's IT Playground

Mac Mail not connecting to Exchange Server – Part 2

Posted by in Exchange 2016

In Part 1 of this article, we discussed symptoms of Mac Mail unable to connect to Exchange 2016 servers through KEMP LoadMaster load balancers. We also discussed troubleshooting steps that addressed the issue of ExRCA.com unable to pass EWS tests, however, we stopped there since Mac Mail failed to connect despite ExRCA EWS tests passed. Let’s see what we can do to get the Mac Mail to connect successfully to Exchange servers. Since we addressed the 100-continue handling in Part 1 of this article, ExRCA tests did not indicate any…read more

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Mac Mail not connecting to Exchange Server – Part 1

Posted by in Exchange 2016

My good friend and renowned Exchange MVP Jeff Guillet (expta.com fame) brought an interesting issue to my attention. On his Mac, built-in Mail client would not connect to Exchange through KEMP LoadMaster. The load balancer was configured to user Layer 7 load balancing. The Exchange environment was mixed Exchange 2013 and Exchange 2016 but load balancer was configured to use only Exchange 2016 servers. KEMP LoadMaster was configured to terminate SSL connection on the load balancer. The connections to the Exchange servers were also encrypted. Microsoft Outlook 2013/2016 clients on…read more

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Free Load Balancer, wait what?

Posted by in KEMP, Load Balancing

Yes, you heard it right! KEMP Technologies provides a great load balancer for all workloads that can benefit from high availability. Today, it is making the Virtual LoadMaster (VLM) appliance available at no cost, even for production use! The free load balancer is a great offering for Development, Testing and Pre-Production environments. The free version is also supported for use in production! One of the use cases that strikes a chord with me is when I used to deliver trainings that needed use of load balancing. The training environment consists…read more

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How to protect your KEMP LoadMaster and applications from Heartbleed bug

Posted by in KEMP, Load Balancing

If you haven’t read about heartbleed bug, it’s pretty serious one you should know about. In a nutshell it exploits OpenSSL vulnerability to read system memory of computers/machines/applicances protedted by affected versions of OpenSSL. This means a hacker can steal your encryption keys as well as see unencrypted form of traffic that was encrypted. Talk about passwords, credit cards, any information you deemed secure and trusted only to an SSL connection! You can read whole lot of gory details here: http://heartbleed.com/ If you are users of KEMP LoadMaster, you should…read more

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