Category: Load Master

  • Capax Zantas EAS EWS 501 Errors

    Whilst load balancing Exchange 2013 with a Capax Zantas EAS deployment in place I was reminded of an issue I experienced a few years ago with a Kemp load balancer. The EAS app for OWA was failing with various errors such as: Communication with service failed. The service might be down or misconfigured. Error code:…

  • SSL and Exchange Server

    In October 2014 or thereabouts it became known that the SSL protocol (specifically SSL v3) was broken and decryption of the encrypted data was possible. This blog post sets out the steps to protect your Exchange Server organization regardless of whether you have one server or many, or whether or not you use a load…

  • Exchange Web Services (EWS) and 501 Error

    As is common with a lot that I write in this blog, it is based on noting down the answers to stuff I could not find online. For this issue, I did find something online by Michael Van “Hybrid”, but finding it was the challenge. So rather than detailing the issue and the reason (you…