The Future of Exchange Server

Microsoft published an important new article today detailing some of the requirements and recommendations for upgrading Exchange Server to the latest version, Exchange Server SE (Subscription Edition). Upgrading your organization from current versions to Exchange Server SE - Microsoft Community Hub This article applies to all customers...

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Deploy Extended Protection for Exchange server NOW

Exchange 2019 CU14 is expected to enable Windows Extended Protection in Exchange Server by default. This feature enhances the existing authentication in Windows Server and mitigates authentication relay or man-in-the-middle (MitM) attacks..Extended Protection requires several very important prerequisites, which the link above describes.Prerequisites...

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Do yourself a favor. Deploy PowerShell serialization for Exchange server NOW

Exchange 2019 CU12/13 Security Update 13 is expected to enable PowerShell serialization by default. This feature configures certificate-based signing of PowerShell serialization payloads to reduce the possibility of man-in-the-middle attacks in PowerShell scripts that connect to Exchange server.PowerShell serialization requires prerequisites, which the link above describes:Prerequisites to enable this feature: Make...

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Lessons Learned and Best Practices for Autodiscover in a Hybrid Environment

Outlook uses the Autodiscover service to get real-time connection information for your mailbox and any other mailbox you connect to. Without Autodiscover you may be able to get Outlook to connect, but it won't connect correctly. For example, Exchange Web Services (EWS) connectivity in Outlook can only be made using Autodiscover.Outlook normally...

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Exchange Online will Throttle and Block Email from Persistently Vulnerable Exchange Servers

Microsoft announced that they will begin Throttling and Blocking Email from Persistently Vulnerable Exchange Servers to Exchange Online.They will begin slowly by blocking OnPremises (hybrid) connections from Exchange 2007 servers to Exchange Online, but plan to include all persistently vulnerable servers soon. A “persistently vulnerable...

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Do Not Install the February 2023 Exchange Server Security Updates via Windows Update

Microsoft released the February 2023 Exchange Server Security Updates yesterday, February 14, via Windows Update and on their website. The website links to the correct files for the February 2023 Security Updates, but Windows Update currently is deploying the January 2023 Security Update CAB file for Exchange Server 2013, 2016, and...

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How to Remove Internet Explorer from Windows Computers and Servers

Support for Internet Explorer 11 ended on June 15, 2022 and IE 11 will no longer be accessible after February 14, 2023.Even so, Internet Explorer 11 is still installed as the default web browser with every version of Windows and Windows Server. To make matters worse, Windows 10 also shipped with non-Chromium Edge (now called Legacy Edge)....

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