With the end of support for Exchange Server 2016 and 2019 rapidly approaching on October 14, 2025, organizations that rely on these versions must make a strategic decision for their messaging infrastructure, with Exchange Server Subscription Edition (SE) defined as the destination for Exchange on-premises mailboxes. This article gives practical guidance for the available options moving forward.
In this episode, Paul and I discuss the latest Exchange Server updates, question the hype around AI agents, and welcome cybersecurity expert Paula Januszkiewicz who shares eye-opening stories about security breaches, social engineering tactics, and practical advice for organizations of all sizes. Paula reveals how AI is transforming both sides of the cybersecurity battlefield and why even the most basic security measures can make a significant difference.
In this article, Jaap Wesselius discusses PowerShell serialization, what PowerShell serialization payload signing is, why this is important, and how to manage it.
In this article, Jaap Wesselius reviews the different types of Exchange Server certificates, their uses, and how to manage them.
On the show this week, Steve, Paul and Rich are joined by Microsoft's VP Director of Identity Security, Alex Weinert, to discuss almost all things related to securing identities. We hear about what happened behind the scenes during Storm-0558, and we discuss essential steps to protect Microsoft 365. And we discuss the latest news in the world of Microsoft 365 - in particular we discuss the new Teams 2.1 client that recently became GA, and for those still running on-premises or Hybrid Exchange Servers, it is time to get patching.
Has the Microsoft Cloud Killed On-Premises Servers? Well... Thats up for debate! And that is exactly what Tony Redmond and Greg Taylor did at TEC 2023. This blog goes over main points from their debate, while providing some insights to help you decide if you should be moving to the cloud.
In this blog, Becky Cross reviews some key Takeaways and next steps from the recent TEC Talk: What to Do About Exchange On-Premises After Microsoft Starts to Block Messages.
After seemingly ignoring the situation for years, Microsoft delivered modern authentication for Exchange Server (for pure on-premises organizations) in Exchange 2019 CU13. The solution uses ADFS to issue and manage the OAuth 2.0 tokens and is supported by the latest version of Outlook for Windows. Support for other clients is in the works.
Unfortunately, Exchange mailbox databases don’t shrink, and the last thing you want is your server running out of disk space. In this blog, we explore how to monitor your Exchange mailbox database size and available new mailbox space through PowerShell.
My team has recently worked on some projects featuring multi-tenant and multi-Exchange environments. A common requirement for all projects is the ability to share free/busy information across all environments. In this article, I will dive into using free/busy sharing with Exchange/Microsoft 365 in the worldwide cloud. Sharing Free/Busy Information Let’s start with the obvious issues: […]
In early December 2022, Rackspace had a major breach in their exchange environment that led to customers' mail data being stolen. This article explains what happened and what can be learned from this incident.
In this week's Practical 365 Podcast, Steve and Paul Discuss new security updates for Exchange Server, what you should do if you are still on Exchange Server 2013, Azure AD Cross Tenant Sync arrives in the roadmap for imminent release, and much more!
