Category Archives: Cloud

Exchange Online: Can't change Tenant setting (since mid-May 2025)

[German]I'm posting an observation here in the blog that a reader pointed out to me – a second reader also seems to be affected. Administrators of Exchange Online tenants have noticed since around May 14, 2025 that they can no … Continue reading

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Outlook fails with error [4usqa] since May 2025

[English]Redmond has probably deactivated its "Microsoft Information Protection API" in the tenants. As a result, Microsoft Outlook no longer works, but throws the error [4usqa]. Here is a brief overview of the situation.

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Microsoft SharePoint Online migrates to new CDN starting June 2025

[German]A quick note for administrators of Microsoft SharePoint Online who have not noticed this. From June 2025, Microsoft will be migrating this service to a new Content Delivery Network (CDN). There will also be a new domain under which Microsoft … Continue reading

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Exchange Online: False SPAM flagging bug with GMail fixed

[German]A small addendum from the beginning of May 2025 regarding Exchange Online. Since April 25, 2025, there has been a problem with a machine learning model incorrectly marking emails from Gmail accounts in Exchange Online as spam. According to Microsoft, … Continue reading

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WorkComposer misconfiguration exposes over 21 million screenshots

[German]It's the absolute worst-case scenario for data protection and a nightmare for companies. The misconfiguration of software exposes millions of screenshots containing extremely confidential data. Happened with the employee monitoring software WorkComposer due to a misconfiguration.

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Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...


OneDrive crashes? OneDrive issues? Windows Server 2019 reboots?

[German]I'm going to combine some  problem reports in the Windows Server environment into one collective post. A blog reader informed me yesterday that Microsoft OneDrive was crashing under Windows Server 2016. And I got a report about OneDrive issues during … Continue reading

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Microsoft Defender XDR classifies Adobe Acrobat Cloud links as "malicious" – resulting in sensitive documents becoming public

[German]Once again, there has been a serious "rattle". Microsoft Defender XDR has incorrectly classified Adobe Acrobat Cloud links as "malicious". As a result, thousands of Adobe users suddenly had more than 1,700 sensitive documents checked on the AnyRun online platform. … Continue reading

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MS365 apps prompt for data backup in OneDrive; two GPOs for OneDrive are removed

[German]I'll pull out two topics separately that became known about Microsoft OneDrive a few days ago. Microsoft is rolling out an update that causes the Office applications from Microsoft 365 to prompt users to back up files to OneDrive (known … Continue reading

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Mozilla's Thundermail and Pro as an alternative to Gmail and Office365

[German]Exciting information that became known at the beginning of April 2025. Mozilla wants to introduce Thundermail and Pro services. The aim is to offer an open source alternative to Gmail and Office365 that focuses on data protection, reducing dependencies and … Continue reading

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