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Vulnerability in Linux kernel file system affects many distributionsFrank5 days agoInformationLinux

Security researchers have discovered a new vulnerability in the Linux kernel (CVE-2021-33909). A vulnerability in the Linux kernel file system allows root privileges. Any unprivileged ...

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Vulnerability in Systemd affects many Linux distributionsFrank5 days agoInformationLinux

Security researchers have discovered a new vulnerability in systemd (CVE-2021-33910). The vulnerability in the system and service manager (systemd) can cause the entire operating system ...

tip
RouterOS 7.1beta6 - GRE Tunnel does not work with non Mikrotik devices (fix)colinardo17 days agoTipMikroTik RouterOS1 Comment

Small advice for all users trying to create a simple GRE Tunnel to a non Mikotik device under the current beta version. If the tunnel ...

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Windows 11 Insider Preview Build 22000.65 availableFrank18 days agoInformationWindows 11

Microsoft has released a new Windows 11 Insider Preview Build 22000.65 and fixed some bugs. You can find all the details on the official Windows ...

tutorial
Cisco WLAN access point AIR-LAP1142N and CAP2602I for SoHo useaqui22 days agoTutorialLAN, WAN, Wireless

Preamble Renewals of commercial WiFi enterprise networks cause of new standards and hence new required hardware (additional 6 GHz band etc.) result in the fact ...

tutorial
Cisco, Mikrotik, pfSense site-to-site VPN with dynamic routingaqui25 days agoTutorialRouters & Routing1 Comment

Preamble The following tutorial is an addon to existing VPN tutorials on administrator.de. It describes a mixed hardware VPN site-to-site setup between Cisco and Mikrotik ...

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Windows 11 - Microsoft is changing its famous Blue Screen of Death (BSOD) to blackcolinardo25 days agoInformationWindows 112 Comments

Nothing more important than color the newest innovation from Redmond since tomato sauce is red! The Black Screen of Death is here Cheers. ...

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Investigating and Mitigating Malicious DriversDani29 days agoInformationMicrosoft

The security landscape continues to rapidly evolve as threat actors find new and innovative methods to gain access to environments across a wide range of ...

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Windows 11: Feature deprecations and removalsFrank33 days agoInformationWindows 11

When upgrading to Windows 11 from Windows 10 or when installing an update to Windows 11, some features may be deprecated or removed. Please see ...

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Windows 11 requirementsFrank33 days agoInformationWindows 11

Here are the current Windows 11 requirements for services and hardware. According to Microsoft, the upgrade from Windows 10 to Windows 11 will be free ...

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Windows 11: Set the Start menu back to the leftFrank33 days agoTipWindows 11

In the latest Windows 11 version, the new Start menu is displayed in the centre: You can easily set it back to the left side ...

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Microsoft announces Windows 11 with new Start menuFrank33 days agoInformationWindows 1112 Comments

On June 24, 2021 Microsoft has presented the new Windows 11. Via an online event, Microsoft showed what the future of Windows 11 will bring. ...

tutorial
Windows 10 Core Isolation: Remove incompatible driversFrank35 days agoTutorialWindows 10

Hello, Actually, I just wanted to follow the Windows Security recommendations and under Settings -> Windows Security -> Core Isolation, turn on Memory Integrity. According ...

tutorial
Install Powerline for FedoraFrank35 days agoTutorialRedHat, CentOS, Fedora

Powerline is a very practical optical extension for vim and the Linux shell (bash, zsh, tmux, IPython, Awesome and Qtile). You can find an overview ...

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You Might Want to Audit Your LAPS Permissions - Part2Dani36 days agoInformationMicrosoft

Since publishing part one, I've had questions, concerns, and feedback from readers, customers, friends, and other Microsoft engineers. In today's blog, I'd like to address some of ...

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You Might Want to Audit Your LAPS Permissions - Part1Dani36 days agoInformationMicrosoft

In today's blog, I'd like to quickly talk about the Local Administrator Password Solution (aka LAPS). It's nothing new and has been around for some ...

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Preview updating PowerShell 7.2 with Microsoft UpdateDani40 days agoInformationWindows 10

Today, we’re happy to announce that we’re taking the first steps to making PowerShell 7 easier than ever to update on Windows 10 and Server. ...

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Basic Authentication and Exchange Online - June 2021 UpdateDani40 days agoInformationExchange Server

It’s been a few months since our last update on Basic Authentication in Exchange Online, but we’ve been busy getting ready for the next phase ...

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News About the June 2021 Cumulative Update for Exchange ServerDani45 days agoInformationExchange Server1 Comment

We typically release our quarterly Cumulative Updates (CUs) for Exchange Server on the third Tuesday of a month. In June 2021, that would be June ...

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Microsoft 365 Maps and LicensingDani57 days agoInformationMicrosoft2 Comments

Moin, in short: A nice, pictorial overview of the possible plans and their products: Greetings, Dani ...

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Staying on top of Office 365 UpdatesDani57 days agoTipMicrosoft

Moin! One of the main challenges when using Office 365 products and services is to stay aware of announcements, updates and upcoming features. This applies ...

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Security baseline for Microsoft Edge version 91Dani59 days agoInformationMicrosoft

We are pleased to announce the enterprise-ready release of the security baseline for Microsoft Edge, version 91! We have reviewed the new settings in Microsoft ...

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Enabling Modern Auth for OutlookDani61 days agoInformationExchange Server

Since we announced in 2019 that we would be retiring Basic Authentication for legacy protocols we have been encouraging our customers to switch to Modern ...

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Exchange Health Checker has a new homeDani61 days agoInformationExchange Server

Today, we are happy to announce that the Exchange Health Checker PowerShell script has a new home: it is now part of the Microsoft CSS-Exchange ...

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Outlook for Windows Shared Calendar Public NotificationsDani61 days agoInformationOutlook & Mail

It is with great excitement that we are announcing that we have graduated the shared calendar improvements in Outlook for Windows out of preview! This ...

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Difficulty Generating a Memory DumpDani61 days agoInformationMicrosoft

My name is Teeda, and I am a Support Escalation Engineer on the Windows Performance Team at Microsoft. This blog post provides several suggestions and ...

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FAQs from the field on KRBTGT resetDani61 days agoInformationMicrosoft

Introduction Recently I had couple of customers asking many questions on KRBTGT account password reset and Microsoft’s recommendations for this, in this article I will ...

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DST Root CA X3 Expiration (September 2021)Dani75 days agoInformationSecurity

On September 30 2021, there will be a small change in how older browsers and devices trust Let’s Encrypt certificates. If you run a typical ...

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Defenseless: Spectre Mitigations LeveragedC.R.S.88 days agoInformationDetection and blocking9 Comments

A team of University of Virginia School of Engineering computer science researchers has uncovered a line of attack that breaks all Spectre defenses, meaning that ...

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Why Exchange Server updates matterDani92 days agoInformationExchange Server

It is very important to keep updating your Exchange Servers to a supported Cumulative Update (CU). Simply put, your on-premises environments should always be ready ...

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April 2021 Microsoft Exchange Server Security UpdatesFrank104 days agoInformationExchange Server3 Comments

Microsoft has released security updates for vulnerabilities found in: Exchange Server 2013 Exchange Server 2016 Exchange Server 2019 These updates are available for the following ...

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Native external sender callouts on email in OutlookDani116 days agoInformationOutlook & Mail

We know that some of our customers leverage Exchange transport rules to prepend subject line or insert the message body to show the email is ...

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Why Hyper-V Live Migrations Fail with 0x8009030EDani121 days agoInformationHyper-V1 Comment

Hi everyone, my name is Tobias Kathein and I’m a Senior Engineer in Microsoft’s Customer Success Unit. Together with my colleagues Victor Zeilinger, Serge Gourraud ...

imho
Internet of Things (IoT) Market to Exhibit 24.9 CAGR till 2027abhijeet131 days agoIMHOInformation Services

The global Internet of Things (IoT) market is set to gain impetus from the rising adoption of digital twin by a wide range of industries. ...

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March 2021 Quarterly Exchange UpdatesDani132 days agoInformationExchange Server8 Comments

Today we are announcing the availability of quarterly servicing cumulative updates (CUs) for Exchange Server 2016 and Exchange Server 2019. These CUs include fixes for ...

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Windows Admin Center version 2103 is now generally availableDani147 days agoInformationWindows Server1 Comment

Today we are excited to announce the general availability of Windows Admin Center version 2103! A big THANK YOU to the Windows Admin Center community, ...

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Spamhaus DNSBL return codes - Technical updateDani151 days agoInformationE-Mail

Spamhaus' primary data sets are published in DNS zones known as DNSBLs. Users of that data ask the zone a question (a "query") and the ...

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Upcoming changes to mailbox receiving limits: Hot Recipients ThrottlingDani155 days agoInformationMicrosoft1 Comment

To ensure optimal mail flow performance for all customers and protect the health of Exchange services, Microsoft is updating the way in which we enforce ...

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Managing deployment of RBCD-Protected User (CVE-2020-16996)Dani169 days agoInformationMicrosoft

Summary If you use Protected Users and Resource-Based Constrained Delegation (RBCD), a security vulnerability may exist on Active Directory domain controllers. To learn more about ...

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Basic Authentication and Exchange Online - February 2021Dani172 days agoInformationExchange Server

We previously announced we would begin to disable Basic Auth for five Exchange Online protocols in the second half of 2021. Due to the pandemic ...