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How to Upgrade Windows Server 2019 or 2022 to 2025 via Windows Update
Learn how to upgrade Windows Server 2019 or 2022 to Windows Server 2025 via Windows Update, with prerequisites and key steps.
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How to Upgrade Windows Server 2019 In Place to Windows Server 2022
Learn how to upgrade Windows Server 2019 to 2022 in place, keep data and settings, and avoid common compatibility pitfalls.
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How to Automatically Disable Wi‑Fi When Ethernet Is Connected with GPO
Learn how to configure a GPO to disable Wi‑Fi automatically when Ethernet is plugged in and avoid dual-network issues on Windows.
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Repadmin: The Essential Tool for Checking Active Directory Replication Health
Learn how to use repadmin to diagnose Active Directory replication, inspect metadata, force syncs, and verify domain controller health.
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Windows: How to Deploy Network Locations via GPO
Learn how to deploy Windows network locations with GPO, store shortcuts in user profiles, and target users with item-level targeting.
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How to Detect and Block Brute Force Attacks on Windows Server with PowerShell
Detect and block brute force attacks on Windows Server with PowerShell scripts. Learn how to analyze logs, spot suspicious IPs, and automate blocking.
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AI: install Ollama, DeepSeek R1 and Open WebUI on Windows 11 or Windows Server 2025
Learn how to install Ollama and Open WebUI on Windows 11 or Windows Server 2025 to run LLM models like DeepSeek and Gemma locally on your PC.
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Active Directory: 4 free and effective password auditing tools
How can you audit Active Directory passwords to identify vulnerable accounts? Here are 4 free tools you can use in your company.
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The nslookup command for beginners
In this tutorial, we’ll be using an indispensable tool for diagnosing DNS problems: nslookup, as well as the Resolve-DnsName command.
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Robocopy : copy, backup and synchronize data under Windows
This tutorial will guide you through the use of Robocopy on Windows for copying and synchronizing data, with practical examples.
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Active Directory: what you need to know about password security
The essentials about passwords in Active Directory: hash algorithms, password extraction, plain-text passwords, etc.
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Netsh: An Essential Tool for Network Configuration and Diagnosis in Windows
With this tutorial, learn how to use Netsh on Windows to configure your network or diagnose connectivity problems, using real-life examples.
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Group Policy : Configure Google Chrome Settings with GPO
How do you integrate Chrome’s ADMX files to configure Google’s browser via GPO? Find out in this tutorial on Chrome in the enterprise.
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Active Directory – How do I configure LDAPS with a self-signed certificate ?
Learn how to configure LDAPS in Active Directory using a self-signed certificate. Step-by-step guide to secure your domain with SSL/TLS encryption.
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Windows : how to fix the approval relationship error ? Here’s how!
Active Directory : how to fix the error “The approval relationship between this workstation and the main domain has failed” on Windows ? Here’s an easy way.
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