Tag Archives: issue

Microsoft 365 connection issues: Outlook shows red exclamation mark

Posted on 2024-03-22 by guenni

[German]This week an administrator contacted me, reporting sudden connection issues with Microsoft 365 and Outlook apps. After I've published a German blog post about that observation, other German users confirmed these connection issues. Advertising

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Windows Server: March 2024 update causes LSASS memory leak on DCs

Posted on 2024-03-21 by guenni

[German]I'm pulling it out separately in a blog post after several blog readers pointed it out to me. The March 2024 security update from March 12, 2024 for Windows Server causes a memory leak in LSASS (for all Windows Server … 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 ...

Securepoint Antivirus crashes Windows Server systems (March 18, 2024)

Posted on 2024-03-19 by guenni

[German]I got a report that Securepoint Antivirus crashed Windows terminal server systems. A german blog reader has two virtual machines affected. Later other German administrators confirmed issues with Securepoint Antivirus, and the vendor has withdrawn the latest "update" of his … Continue reading →

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Issues with Microsoft Outlook (scheduling) since March 2024 patchday? – Part II

Posted on 2024-03-17 by guenni

[German]Blog reader Steffen has contacted me by email because he is seeing issues and problem reports from users of Microsoft Outlook in connection with the scheduling wizard. It affects different versions of Outlook and he is wondering whether other readers … Continue reading →

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Problems with Microsoft Outlook and Exchange since March 2024 patch day? – Part I

Posted on 2024-03-16 by guenni

[German]Question for IT service providers, administrators and users of Microsoft Outlook. There were also Exchange and Office updates on March 12, 2024. Are you seeing more and more feedback from users about problems with Exchange Online and Teams in connection … Continue reading →

Posted in issue, Office | Tagged , | 6 Comments
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Microsoft 365: Login error 700003

Posted on 2024-03-14 by guenni

[German]A quick question for Microsoft 365 users and administrators. Do you face temporary sign in issues with Microsoft 365 in the relevant office apps since March 10, 2024? A reader contacted me by email and reported corresponding issues. On Monday, … Continue reading →

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Windows 10/Server 2019: Update KB5035849 fails with error 0xd0000034

Posted on 2024-03-13 by guenni

[German]On March 12, 2024 (Patchday), Microsoft released the security update KB5035849 for Windows Server 2019. A short time later, the first user reported various error crashes during installation. At the end of the process, it emerged that the update installation … Continue reading →

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Exchange Online: Microsoft confirms outgoing emails are rejected as spam (March 2024)

Posted on 2024-03-10 by guenni

[German]Microsoft has a problem with its Exchange Online instances that can easily sideline its customers. The sender domains for emails are classified as spam and rejected. This means that companies can no longer send mail. After I discussed this several … Continue reading →

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Windows Server 2016: AD problems after updates KB5034862 and KB5034767 (Feb. 2024)

Posted on 2024-03-08 by guenni

[German]Quick question for the readership: Has anyone experienced problems after installing the February 2024 updates KB5034767 (Cumulative Security Update) and KB5034862 (Servicing Stack Update) for Windows Server 2016? I have received a reader message that there are problems with Azure … Continue reading →

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Windows 10: Update KB5001716 is installed secretly; throws error 0x80070643

Posted on 2024-03-07 by guenni

[German]I came across information in various places today that Microsoft is (secretly) installing an update KB5001716 on Windows 10. It is a "preparatory update" so that the systems can switch to Windows 11. However, some users are receiving the installation … Continue reading →

Posted in issue, Update, Windows | Tagged , , | 2 Comments