federatedTokenValidationPolicy mandatory from August 2026!Federated authentication is one of the oldest trust anchors in Microsoft environments and at the same time one of the most dangerous. Whoever binds AD FS or a third-p…
Auditing MFA, Conditional Access, privileged roles, guests, and Exchange mailboxes with raw data instead of portal clicksA click through the admin centers does not reveal a compromised tenant. Spot checks in the web interfac…
Microsoft to delete unlicensed accounts and archives from July 2026Microsoft is introducing a new lifecycle for unlicensed OneDrive accounts starting in July 2026, under which unpaid archives will be permanently deleted afte…
WARNING – US GOVERNMENT BANS FABLE 5 EXPORTS! The US government has restricted access to Fable 5 and Mythos 5 under an export control directive citing national security concerns, effectively blocking access for all non-US us…
Step-by-step tutorials for Exchange, Teams, SharePoint, and all Microsoft 365 services.
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Compliance-Center →An overview of our latest projects and the underlying repository.
Harden M365 Tenant via PowerShell & GraphEveryone knows the situation with a fresh M365 tenant: You click through one admin center after another and configure everything as you see fit. This costs time, because each portal h…
A do-release-upgrade from Ubuntu 25.10 to 26.04 LTS may fail because the system considers the target distribution invalid. The error message "Distribution data outdated" appears even though the system has been fully updated …
Permissions in Microsoft 365 have been built over the last two decades around a single, largely unspoken assumption: data is accessed by humans. That assumption is now beginning to break down. With Copilot, SharePoint Agents…
The days when unsigned RDP files could simply be accepted by clicking "Don't ask me again" are over. Since Microsoft's April 2026 security update, the rules have become significantly stricter.Every time you open an unsigned …
The management of deleted files within the Microsoft 365 ecosystem is currently undergoing a fundamental change in architecture. To optimize synchronization performance and make data recovery more predictable for administrat…
Microsoft is pulling the plug: The Outlook Lite app, designed for low-resource Android devices, will be permanently discontinued on May 25, 2026. As the company confirmed via the Microsoft 365 Admin Center (Message ID MC1276…
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