This Article references MC146001 “A new TLS certificate is coming to Exchange Online” which you should find in your Office 365 Message center. Problem Description: You may be running in Hybrid mode or have an inbound TLS configuratiion using Exchange Online and noticed that you have a sudden build-up of inbound messages toward your on-premises Exchange servers. […]
Warren du Toit and I will be presenting a free Webinar hosted by Kemp Technologies on the 20’th of April 2017. We will be discussing the disciplines relating to doing a datacenter move for the very first time, including Elasticity and SLAs, the promise of cloud Basic cloud-based data center design from the ground up […]
I had the pleasure of an interview with Richard Cambell of RunAsRadio, werein we spoke about Azure ASR, backup, Exchange and how the world works according to my brain.I had an incredible time with Richard and was privilidged to feature in one of my favourite podcasts. The show can be found here, hope you enjoy […]
I’ve had the privilege of publishing a course thats very close to my heart on all things DR, using the current slew of Azure ARM based features on Pluralsight.The course is titled “Azure Site Recovery: IaaS Migration and Disaster Recovery” The course covers the basics of requirement gathering – as a consultant thats essential viewing, […]
Scenario: When trying to migrate a user from Lync or Skype for Business on premises to Skype for Business online, you may experience the following error HostedMigration 510 error : the user could not be moved because the tenant has not been enabled for shared SIP address spaces AS a pre-requisite, you would have configured […]
A few years ago, “cloud” was mostly considered the originator of precipitation of any sort. We talked about “clouds” with silver linings, earth bound forms of the same, such as mist or fig, and even the “fog of war”. We now rate clouds in terms of computing and storage capacity. Before “cloud” was hip, we […]
I reviewed the first edition of this book back in 2011, and must admit that I enjoyed the opportunity to review the new edition, for the same reasons that I enjoyed the first edition. Both the 2010 and 2013 PowerShell Cookbooks take the reader on a journey from knowing just enough about PowerShell to find the […]
It’s a disconcerting event when one day one of your Exchange 2010 SP1 or later DAG members blue-screens. We have a wide range of emotions that accompany one of these event’s including a sense of dread and an “OH NO” sense of something wrong, since after all, it IS a critical application AND it’s meant […]
Occasionally during your working day, you may find that email is rejected after is it sent with a notice similar to the following: Delivery has failed to these recipients or groups: Nicolas Blank Your message wasn’t delivered due to a permission or security issue. It may have been rejected by a moderator, the address may […]
Introduction This article will speak to load balancing Exchange, and specifically with a review of the Kemp load balancer virtual (VLM) appliance. Why load balance Exchange Every generation of Exchange had their own areas of specialty: Exchange 2003 forced us to learn about clustering and SAN’s Exchange 2007 made us PKI experts, Exchange 2010 on […]