RDP File Signing: Windows Warning Message
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 significan…
Kategorie: Microsoft
Kategorie Microsoft — 11 Beiträge — Alle veröffentlichten Beiträge zu diesem Themenbereich – kompakt gesammelt und filterbar.
Outlook Lite | Microsoft shuts down Android app
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 …
Exchange HCW: Resolving WinRM 502 Errors
Since the HCW uses the WinHTTP stack for PowerShell remoting sessions, system-wide proxy settings often conflict with the requirements of cloud endpoints. WinRM expects a clean, e…
Windows 11 Fix | KB5085516 fixed Login-Error
The security update KB5079473 from March 10, 2026, was supposed to close vulnerabilities, but it left a critical functional gap in numerous Windows 11 environments (versions 24H2 …
Windows 11 | Disable Copilot, Recall & AI via GPO
What began as an optional feature in 2024 is now deeply anchored in the system's core: the Copilot is omnipresent. On modern hardware (Copilot+ PCs), Windows Recall is also availa…
Windows Server Hardening | The Ultimate Blueprint for Maximum Security
Windows Server is at the heart and often the crown jewel of your enterprise infrastructure. However, its central role makes it a preferred target. Hardening is not just a checklis…
Windows Server CA: RPC Error 1722 & "Invalid Pointer" (0x80004003)
In former Small Business Server (SBS) environments, many administrators encounter a seemingly mysterious problem: A freshly installed Certificate Authority (CA) on a new Windows S…
Microsoft Ignite 2025: The most important things at a glance
{:d e}From November 18 to 21, 2025, Microsoft Ignite took place in San Francisco and Microsoft presented over 70 new features, products and updates. With over 200,000 participants…
Windows 10 End of Support | Act now and get free updates!
On October 14, 2025, support for Windows 10 will end. But with a Microsoft account, you can get another year of free security updates. Theclock is ticking: In a few weeks, Windows…
MS365 EntraID | Authentication – Settings & Policies
In modern identity management, multi-factor authentication (MFA) is the gold standard. But attackers don't sleep: Techniques such as MFA fatigue aim to bombard users with push not…