Categories
2021
Better PowerShell based Log4j vulnerabilities scanner

Log4j RCE exploitation detection

Detect Log4j vulnerabilities in your project

Microsoft Teams Rooms version 4.8.31.0

Microsoft AutoUpdate in Mac OS v4.35 Update Error

Microsoft Teams Meeting delegation

PowerShell: Get a report of Mobile Devices from Exchange Online

Microsoft Teams Rooms version 4.8.19.0

PowerShell: Get a usage reporting for OneDrive for Business

Get the Events from a FritzBox router with PowerShell

This site now runs on Hugo

PowerShell helper script to investigate Exchange Servers for a Hafnium attack

Get the AzureAD Audit Sign-In Logs

Find out who deleted messages in an Exchange Online Mailbox

Windows Defender Firewall Logs with Filebeat

Ship Windows event logs with Winlogbeat

Graylog behind a NGINX Reverse Proxy: API Exposed

Baseline ruleset of Office 365 Protection Alert’s

Baseline ruleset of Office 365 Activity Alert’s

Changes to the Source Code published here

CentOS Project shifts focus to CentOS Stream

Manage the windows Pv6 configuration the easy way

Get all Cookies from a PowerShell WebRequestSession

Invoke-WebRequest and Invoke-RestMethod get Unauthorized without any reason

2020
Get you User SID with PowerShell

Windows 10 20H2 Connection Report is broken

Direct guest join Microsoft Teams Room devices does not work

Parallels Desktop not starting on latest Big Sur beta?

Install-Module – unable to resolve package source

AzureAD Named locations gets IPv6 Support in the latest preview

Update a conditional access named location with the new external (public) IP address

Facebook acquired Giphy – How to disable it in Microsoft Teams

Enable the Attendance List in Microsoft Teams

Microsoft 365 Common Area Phone

Remove access to all Exchange Online Mailboxes

Create or modify a Azure AD Naming Policy for Office 365 Groups

Poly Calisto 7200 – Some initial impressions

Backup the BitLocker Recovery Info to AzureAD

Working from home: My Home Office Setup

Office 365 minimum security baseline

Automatically Change Wallpaper on Teams Room System Every Day

Create and setup a Microsoft Teams Room Device in Microsoft Office 365

The Power of Microsoft Teams – Microsoft TV Ad

Microsoft Teams Room Device 2/2

Microsoft Teams Room Device 1/2

Repair a Windows Server 2016 installation with DISM

2019
Find the perfect Security Key for me

Apple AirPods Pro after a few days

Logitech Rally Plus

Poly Elara 60 WS my impressions

Get German Holidays via API and export them to CSV for Skype for Business (Online)

Exchange: Cleanup of the Exchange Logs with PowerShell

Copy local group memberships from one user to another

Export Exchange Mailbox Permissions to CSV Files for archiving or migrations

Microsoft Teams Client customisation settings via PowerShell

About the required EU cookie consent notices

Automate the update of the UniFi Network Controller

This website was moved

PowerShell: Retrieve information about changed Active Directory groups

PowerShell: Retrieve information about the AD Domain Name Servers

PowerShell: Retrieve information about an Active Directory Forest

PowerShell: Export Active Directory Objects

PowerShell: Retrieve Active Directory Site Information

PowerShell: Retrieve GPO reports and replication information

PowerShell: Retrieve the FSMO Role in the Forest/Domain

I closed the comments for older posts

PowerShell: foreach vs. .ForEach and ForEach-Object with IF vs. .Where

Microsoft rolls back decision to take away internal usage rights from partners

Copy AD group memberships from a given Source User to a Target User

Microsoft is going to kill Internal Use Rights benefit for Partners

Advanced Installer 16.1 PowerShell automation
PowerShell: Check if one or more given modules are installed

Why do I publish so much Powershell related things as Open Source?

Remove Group Policy Objects from Windows

HTTPie, a powerful an extendable command line HTTP client.

PowerShell: Check if PowerShell run elevated (e.g. as admin or not)

PowerShell: Get the size of a given folder in a human readable format

Microsoft Edge Insider on macOS

PowerShell: Convert YAML to JSON and JSON to YAML

Windows 10: Updates from Microsoft Store failed with 0x800706D9

A Dark Mode is available

Ubiquiti UniFi Controller Module 1.0.11

Office 365 network performance tool POC release

The transition to Microsoft Teams can be fun!

Ubiquiti UniFi Controller Module is now available on PowerShell Gallery

PowerShell: Get the latest published version of a given Module from a NuGet Repository

PowerShell: Removes any digital signatures from Files

PowerShell: Strip white space/blank lines from end of file or path

Early beta version for a PowerShell Module for the Ubiquiti UniFi Controller API

2018
User Authentication with HAProxy on pfSense

Backup oder Archivierung? Quatsch wir haben doch Office 365!

PowerShell: Accept License Agreements for all WSUS Updates

PowerShell: Approves all Windows Server Update Services (WSUS) definition updates

Microsoft Teams PowerShell Module Version 0.9.6

Microsoft SharePoint Online Services Module for Windows PowerShell

Das 5G Netz und die Geschindigkeit

T-Mobile’s Tourist Plan

PowerShell: Report MFA Users for Azure AD (Office365)

Ghost presence with Microsoft Teams and Skype for Business is back

IBM To Acquire Red Hat

PowerShell Core 6 compatibility with existing Windows PowerShell

Install Remote Server Administration Tools in the lates Windows 10 Build

How Microsoft Teams changed the way I communicate

Delete all WordPress post revisions with a single SQL query

Ubiquiti UniFi Security Gateway (USG) our journey

Ubiquiti UniFi Security Gateway (USG) with Telekom VDSL and Vigor 130 as a Modem

New template applied

Minor site updates applied

Polycom IP Phones and Ubiquiti Switches

Automate macOS Mojaves dark mode

Issue with Skype for Business macOS with IPv6

Microsoft Teams is now a complete meeting and calling solution

PowerShell: Get the Office 365 Endpoint Information from Microsoft

Quick and dirty script that removes all older versions of all installed PowerShell Modules.

Microsoft reportedly agrees to buy GitHub, and now what?

Forbes: Google Is Winning The Cloud War

PowerShell Function to get the Office 365 URLs and IP address ranges

Ghost presence with Microsoft Teams and Skype for Business

Call Analytics for Microsoft Teams and Skype for Business Online in Office 365

KB4077525 caused some issues with my ADFS servers (Updated)

Upload a file with PowerShell and Invoke-RestMethod

2017
Connect to Office 365 with PowerShell Core from non-Windows

What if Apple discontinues the Mac product line?

Apple Released Security Update and that might cause Issues with File Sharing

Howto fix the MacOS High Sierra blank root password flaw

PowerShell Core Release v6.0.0-rc

Some minor code updates

Enabling Skype for Business Client to use proxy server for SIP traffic instead of trying direct connection

Uninstall the retired AntiSpam Agents from an Exchange Server

Set all AD related commands to use a special kind of server

Reformat the Window for PowerShell Web Access

Is it time to remove Java?

Mozilla FireFox deployment on MacOS and Windows

Exchange June 2017 Quarterly Exchange Updates

Skype for Business on MacOS is getting better!

Skype for Business Mac Client Status Message, Issue?

Script: Getting, install, or update some default DSC Resources I want to have available

Tool that bulk imports or removes User pictures

Configure Windows PowerShell Web Access

DSC and other issues with KB3150513 on Windows 2016 after installation

Is your environment to small for an Exchange High-Availability?

Einige gravierende Änderungen stehen an

Some changes ahead

Search for EternalBlue (WannyCry) Vulnerabilities

Suche Hoster

Tool: Check if all WannaCry related Hotfixes are installed

WannaCrypt und die mit Linux wäre das nicht passiert Diskussionen!

WannaCrypt ransomware

Why is patching still so important to mitigate WannaCry

Mitigate the WannaCry risk without DSC

Check if all WannaCry related Hotfixes are installed

How to mitigate the WannaCry risk

Check System for CVE-2017-0290

Azure AD Connect Log Maintenance

ADFS Authentication with Exchange troubleshooting

Workaround for Get-Help issue with Exchange 2016 on Windows Server 2016

New Statistics

Neues Statistik Tool

Site was tweaked a bit

More experience with Exchange 2016

Azure Active Directory Connect Version 1.1.486.0 Released

Hochleistungsmodus fĂĽr macOS Sierra Server zu aktivieren

Turn on performance mode for macOS Sierra Server

New Design ahead

My experience with Exchange 2016 so far

Synchronize time with external NTP server

Microsoft AD FS hinter einem Load Balancer

Microsoft AD FS behind a Load Balancer

My sample code and the mess of comments

Kleinere Probleme mit der Deutschen Version

Ein PSCredential gegen Active Directory validieren

Check a given PSCredential against the Active Directory

Download and Install Office 365 PowerShell requirements

PowerShell: Azure Active Directory (AAD) Connect tooling

2016
Europäischer Gerichtshof kippt anlasslose Vorratsdatenspeicherung

MacBook Pro 2016 after a few days

MacBook Pro 2016 with Touch Bar

Marketing vs. Engineering

Technical Recruiter

Enable ADFS Authentication on Exchange 2016

Make ADFS Work with Windows 10 and Edge

Thank you!!!

Danke!!!

Erstellen von Windows 10 Host auf Hyper-V

Create a Windows 10 Host on Hyper-V

AMP Probleme gelöst

AMP Problems solved

Apple 3D Touch Trick

Great Apple 3D Touch Shortcut

Fun: Raccoons, C’mon Try It!

AMP Funktion ist wieder da! (updated)

AMP Version of my Blog is back (Updated)

Apple und McLaren haben nur gesprochen
Und hier sind wir nun…

Here we go

Bald wieder da!

I will be back soon!
