IT Knowledgebase Articles

Datacenter networking servers

What is Active Directory? Complete Guide for IT Pros

Last Update: Mar 13, 2024

Active Directory is Microsoft’s on-premises identity and access management (IAM) service. In this Active Directory tutorial, learn how Active Directory (AD) makes it easier for IT to manage an organization’s IT resources. Active Directory is especially useful for companies that have to manage lots of endpoints and servers. What is Active Directory and why is…

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Microsoft Outlook

Is Outlook for Android and iOS free?

Last Update: Jun 08, 2025

Outlook app for Android and iOS is free to download, but using some of its features can incur a monthly fee. Learn how to use Outlook without a fee. What is Outlook? Outlook is Microsoft’s mobile email app for Android and iOS platform devices. It allows you to access both personal email accounts (Outlook.com, Hotmail.com,…

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Petri is Looking for Writers

Last Update: Sep 04, 2024

The Petri IT Knowledgebase is looking for writers! Petri is a leading site providing IT professionals with tutorials, news, and advice on how to work with Microsoft enterprise technologies. The editorial team is looking for content creators and IT professionals in the field who would like to help others by contributing their knowledge in the…

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What is a Virtual Server?

Last Update: Nov 19, 2024

Using virtual machines (VM) and virtual servers is no new task. We have been working with the concept of providing time-sharing solutions since the late 1960s and early 1970s. This was because the cost of using mainframe computers was extortionate and logically it made more economical sense to utilize time sharing. With the release of…

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Microsoft 365 E3 vs E5 Plans Compared

Last Update: Jul 29, 2025

Microsoft 365 E3 vs E5 plans in review Microsoft 365, if not the most popular, is way up there in terms of productivity solutions for your organization. There are plans that serve smaller SMBs all the way up to 100,000+ employee enterprises. The solutions serve many vertical markets including healthcare, charities, commercial, etc., with specific…

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How to Secure Unmanaged Devices with Microsoft Defender for Endpoint

Last Update: Sep 04, 2024

Security Management with Microsoft Defender for Endpoint is a new feature that can be used to apply security configuration to devices that do not enroll into Microsoft Endpoint Manager. In this scenario, Microsoft Defender for Endpoint retrieves, enforces, and reports on policies deployed via Microsoft Endpoint Manager. The devices are joined to your Azure Active…

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Azure Bicep Brings Easier Infrastructure as Code to Azure Resource Management

Last Update: Sep 04, 2024

Azure Project Bicep, or just Bicep as Microsoft sometimes refers to it, is a new domain-specific language (DSL) for deploying cloud resources using infrastructure as code. If this sounds like Azure Resource Manager (ARM) templates, then you’d be right. ARM templates can now be authored in Bicep or JSON. Infrastructure as code and ARM templates…

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How to Add a Custom Background in Microsoft Teams Meetings

Last Update: Sep 04, 2024

  In this article, I will show you how to change the Microsoft Teams background in meetings with your own custom image. Virtual backgrounds in Teams meetings let you hide your location and give users more privacy. Change Microsoft Teams Background in Meetings When Microsoft Teams launched, way back when, there were limited features for…

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How to Install WSL on Windows Server

Last Update: Sep 04, 2024

WSL allows you to run applications natively as Linux processes on Windows. Learn how to install and use WSL on Windows Server here. Which versions of Windows Server support WSL? According to Microsoft documentation, the Windows Subsystem for Linux (WSL) is available for installation on Windows Server 2019 (1709) and above. This includes the few Windows Server…

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Windows 11

How to Install Windows 11 – The Ultimate Guide

Last Update: Jul 04, 2025

In this guide you’ll see how to install Windows 11 or perform an upgrade to Windows 11 from Windows 10. Installing Windows 11 is quite different than the previous versions of Windows. For the earlier versions, you typically needed to plan for the installation then go get the installation media, insert it into your computer,…

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