Tag Archives: Exchange

Exchange Server Security Updates (October 10, 2023)

Posted on 2023-10-11 by guenni

[German]Microsoft released security updates for Exchange Server 2016 and Exchange Server 2019 on October 10. These security updates close vulnerabilities in this software. The updates should be installed on the systems promptly to close the vulnerabilities in question. Advertising

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Exchange 2016/2019 get HSTS support; Extended Protection will also be enabled soon

Posted on 2023-09-01 by guenni

[German]With CU14, Microsoft pans to enable the Windows Server Extended Protection feature by default for Exchange Server 2019 for improved protection. However, it will be possible to deactivate this feature when installing the CU14 if required. Redmond has announced this … Continue reading →

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

Exchange Server August 2023 update: all patches pulled; workaround changed

Posted on 2023-08-15 by guenni

[German]After the August 2023 security update for Exchange 2016 and 2019 caused massive installations issues for non-English installations, Microsoft had pulled finally all updates. In addition, Microsoft has made a change to the workaround proposed to overcome the install issues.; … Continue reading →

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Workaround for Exchange August 2023 security update install issue

Posted on 2023-08-10 by guenni

[German]Addendum from the August 2023 patchday, which caused issues for administrators of Microsoft Exchange 2016/2019. On non-English systems the installation failed and the Exchange server was partially dead afterwards. I had warned here my German users in my articles and … Continue reading →

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Exchange Server Security Updates (August 8, 2023)

Posted on 2023-08-08 by guenni

[German]Microsoft has released security updates for Exchange Server 2016 and Exchange Server 2019 as of August 8. These security updates close vulnerabilities in this software. The updates are intended to be installed on systems in a timely manner to address … Continue reading →

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Exchange Server Security Updates (June 13, 2023)

Posted on 2023-06-14 by guenni

[German]Microsoft has released the security updates for Exchange Server 2016 and Exchange Server 2019 as of June 13, 2023. These security updates close vulnerabilities in this software. The updates are intended to be installed on systems in a timely manner … Continue reading →

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Journaling in hybrid Exchange environments

Posted on 2023-05-18 by guenni

[German]Journaling in Exchange Server or Exchange Online may be required in companies to respond to legal, regulatory and organizational compliance requirements (e.g. by recording all or certain email messages). But what about journaling in hybrid environments with Exchange Server and … Continue reading →

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February 2023 Patchday: EWS problems after Exchange Server security update

Posted on 2023-02-17 by guenni

[German]After the installation of the February 14, 2023 security updates, I got some reports from administrators that Exchange Web Services (EWS) is causing issues. For example, the calendar update isn't working. Uninstalling the security update solved the problem. Microsoft has … Continue reading →

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Windows 10/11 Mail app can Exchange ActiveSync

Posted on 2023-02-17 by guenni

[German]Small addendum that Thomas B. already pointed out to me in Sept. 2022. It is about the possibility to access Exchange mailboxes with ActiveSync by means of the app delivered in Windows 10 and Windows 11. Advertising

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Microsoft's February 2023 Patchday: Incorrect updates in WSUS, Exchange and Windows

Posted on 2023-02-16 by guenni

[German]Microsoft has released a large number of security updates for Windows and Exchange on February 14, 2023. However, they made a mistake with some updates and simply delivered the wrong update packages via Windows Update, WSUS or the downloads. Some … Continue reading →

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