
IKEv2 VPN server for Windows and Apple clients on Raspberry Pi

Solved: Microsoft Exchange Y2K22 Bug

Cisco IPsec VPN with Mikrotik or FritzBox

Elon Musk acquires Twitter

colinardo 14 days ago
Exchange Online - Standard Authentication will be permanently disabled starting 01. October
Hello everyone! All admins who still use the Standard-Authentication Method in Exchange Online (M365) in production are strongly advised to change this as soon as ...#Information #exchange

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Frank 25 days ago
Elon Musk acquires Twitter
Hi guys, Elon Musk is acquiring Twitter after all! On 25.04.2002, the Twitter board of directors surprisingly approved the complete acquisition. For about 44 billion ...#Information #social
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Frank 28 days ago
MacOS Server app was discontinued
The macOS Server app can no longer be installed via the Apple App Store as of 04/21/2022. Back in 2018, Apple discontinued the full Apple ...#Information #apple

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Frank on Apr 11, 2022
Its back: Mini version of the Amiga 500 is available
I loved it so much, the Amiga home computer was the most important technical device in my youth. Smartphones or tablets didn't exist yet. Especially ...#Information #os

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aqui on Mar 14, 2022
Cisco IPsec VPN with Mikrotik or FritzBox
Preamble The following tutorial is a quick overview how a site-to-site VPN access using the IPsec protocoll can be realized with a Cisco IOS or ...#Tutorial #lan

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aqui on Jan 28, 2022
IKEv2 VPN server for Windows and Apple clients on Raspberry Pi
Preamble The following tutorial did not claim to be fully comprehensive. It should only be seen as a framework to show the basic functions of ...#Tutorial #linuxnetzwerk

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Frank on Jan 03, 2022
Solved: Microsoft Exchange Y2K22 Bug
Some users on our site reported problems with Microsoft Exchange at the turn of the year: (German) (German) This bug in the Microsoft Exchange server ...#Information #exchange

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colinardo on Oct 16, 2021
Windows 11 - Deploy Default Startmenu Layout
In Windows 11, the customization options for administrators have been further reduced. The previous possibility to customize the menu via the LayoutModification.xml file has been ...#Tip #windows11

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colinardo on Oct 11, 2021
Windows 11 - Activate classic context menu
Short tip for those who are annoyed by the new context menu under Windows 11. But there is a hack to define the classic menu ...#Tip #windows11

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max on Oct 05, 2021
Windows 11 Download Alternative to save an ISO or create a USB stick
For all who are looking for an alternative download possibility for Windows 11 (Release Build 22000.194) there is the Universal MediaCreationTool Script. The MediaCreationTool.bat is ...#Tip #windows11

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Frank on Oct 05, 2021
Windows 11 Download (MediaCreationTool, ISO)
Microsoft released Windows 11 to the general public yesterday evening. From now on you can either download and install Windows 11 via the internal update ...#Information #windows11

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Frank on Sep 21, 2021
Add an Outlook 2019 IMAP account - No more username in settings - Solution
Another curiosity under Office 2019 just hit me hard. I wanted to add a normal IMAP/SMTP account to Outlook 2019. But that was so difficult ...#Tip #outlook

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colinardo on Sep 17, 2021
Mikrotik RouterOS 7.1rc3 adds Docker(TM) support
Normaly a release candidate never adds new features but fixes only bugs. Mikrotik seams to be an exclusion this time. As this new feature can ...#Information #routing
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Frank on Sep 02, 2021
Windows 11 will be released on 5 October 2021
Microsoft has announced the official release date for Windows 11 on its blog: It will be distributed from October 5, 2021. However, the integration of ...#Information #windows11

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Frank on Aug 19, 2021
Debian version 11 released (codename Bullseye)
After two years, one month and nine days of development, the Debian Project released the next stable version 11 (codenamed Bullseye) on Aug. 14, 2021. ...#Information #debian

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Frank on Aug 18, 2021
Elementary OS version 6 (Odin) released
Now I almost forgot: The Linux distribution Elementary OS version 6 (Odin) was released last week. It is based on 20.04.2 LTS but has its ...#Information #linuxdesktop

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Frank on Jul 22, 2021
Vulnerability in Linux kernel file system affects many distributions
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 ...#Information #linux

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Frank on Jul 22, 2021
Vulnerability in Systemd affects many Linux distributions
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 ...#Information #linux

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colinardo on Jul 10, 2021
RouterOS 7.1beta6 - GRE Tunnel does not work with non Mikrotik devices (fix)
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 ...#Tip #mikrotik

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Frank on Jul 10, 2021
Windows 11 Insider Preview Build 22000.65 available
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 ...#Information #windows11

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aqui on Jul 05, 2021
Cisco WLAN access point AIR-LAP1142N and CAP2602I for SoHo use
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 #lan
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aqui on Jul 02, 2021
Cisco, Mikrotik, pfSense site-to-site VPN with dynamic routing
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 ...#Tutorial #routing
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colinardo on Jul 02, 2021
Windows 11 - Microsoft is changing its famous Blue Screen of Death (BSOD) to black
Nothing more important than color the newest innovation from Redmond since tomato sauce is red! The Black Screen of Death is here Cheers. ...#Information #windows11
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Dani on Jun 28, 2021
Investigating and Mitigating Malicious Drivers
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 ...#Information #microsoft
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Frank on Jun 25, 2021
Windows 11: Feature deprecations and removals
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 ...#Information #windows11
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Frank on Jun 24, 2021
Windows 11 requirements
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 ...#Information #windows11
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Frank on Jun 24, 2021
Windows 11: Set the Start menu back to the left
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 ...#Tip #windows11

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Frank on Jun 24, 2021
Microsoft announces Windows 11 with new Start menu
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. ...#Information #windows11
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Frank on Jun 22, 2021
Windows 10 Core Isolation: Remove incompatible drivers
Hello, Actually, I just wanted to follow the Windows Security recommendations and under Settings -> Windows Security -> Core Isolation, turn on Memory Integrity. According ...#Tutorial #windows10
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Frank on Jun 22, 2021
Install Powerline for 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 ...#Tutorial #redhat
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Dani on Jun 21, 2021
You Might Want to Audit Your LAPS Permissions - Part2
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 ...#Information #microsoft
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Dani on Jun 21, 2021
You Might Want to Audit Your LAPS Permissions - Part1
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 ...#Information #microsoft
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Dani on Jun 17, 2021
Preview updating PowerShell 7.2 with Microsoft Update
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. ...#Information #windows10

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Dani on Jun 17, 2021
Basic Authentication and Exchange Online - June 2021 Update
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 ...#Information #exchange
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Dani on Jun 12, 2021
News About the June 2021 Cumulative Update for Exchange Server
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 ...#Information #exchange
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Dani on May 31, 2021
Microsoft 365 Maps and Licensing
Moin, in short: A nice, pictorial overview of the possible plans and their products: Greetings, Dani ...#Information #microsoft
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Dani on May 31, 2021
Staying on top of Office 365 Updates
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 ...#Tip #microsoft
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Dani on May 29, 2021
Security baseline for Microsoft Edge version 91
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 ...#Information #microsoft
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Dani on May 27, 2021
Enabling Modern Auth for Outlook
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 ...#Information #exchange #microsoft
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Dani on May 27, 2021
Exchange Health Checker has a new home
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 ...#Information #exchange #microsoft
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