IT Knowledgebase Articles

Network Security

How to Restore Active Directory

After you’ve built a solid, robust, and redundant Active Directory infrastructure, it is critical that you know how to restore Active Directory to prevent any possible interruptions to your environment. As an IT pro, it’s your job to prepare for the unexpected and to know how to get back on your feet. In this guide,…

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Cloud Computing and Security

What is a Hybrid Cloud Architecture?

Last Update: Nov 23, 2022

A hybrid cloud architecture is an environment that combines private computing resources with a public cloud. A public cloud is a cloud computing platform provided by a third-party company, and a good example would be Microsoft Azure, Amazon Web Services, or the Google Cloud Platform. In this article, we’ll explain how a hybrid cloud architecture works…

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Microsoft Outlook

How to Schedule an Email in Outlook

Last Update: Apr 14, 2023

In this guide, we’ll show you how to schedule an email in Outlook for Windows and other platforms. This is a really handy feature that gives you the flexibility to send emails at a specific time. Instead of creating reminders to send some of your emails, Outlook can schedule them for you at the time…

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Datacenter networking servers

How to Recession-Proof your IT Career

Last Update: Sep 23, 2022

In this article, I will share my recommendations on how to build a recession-proof career and protect it against the effects of an economic downturn. In summary: Assess your current position. Update your skills. Get certified. Winter is coming – recession proof your career now! You don’t need to be a Stark to understand what…

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Cloud Computing

How to Add a Domain Controller to an Existing Domain (Server Manager)

Last Update: Jun 06, 2025

As an IT Pro, it is highly likely that you’ve needed to add additional domain controllers (DCs) to your Active Directory environment. In this guide, we’ll demonstrate how to add a domain controller to an existing domain. The process to add Domain Controller to Existing Domain follows precise steps discussed below. This article applies to:…

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Cloud Computing and Security

What is Azure Data Factory?

Azure Data Factory is a cloud-based data integration platform from Microsoft. It allows organizations to gather data from multiple sources and perform various data engineering operations in a code-free way. For organizations struggling to manage and extract insights from exponentially increasing amounts of data, ADF can be a more efficient and cost-effective way to do…

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PowerShell

What is PowerShell and How to Get Started With It?

Last Update: Apr 30, 2025

PowerShell is a cross-platform object-oriented language and shell that IT pros can use to manage computers running Windows, Linux, and macOS. PowerShell can automate tasks across thousands of computers simultaneously. If you’ve ever wondered what PowerShell is and what it’s for, this article aims to answer some of the most common questions you may have…

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Office 365

ESPC22 Conference Discount for Petri Readers

Last Update: Nov 19, 2024

It’s time for you and your team to take a short break from your busy work demands and deadlines to refresh, revitalize and invest in yourselves at ESPC22, Nov 28 – Dec 1 – Europe’s premier Microsoft technologies conference. ESPC22 offers you the choice of 9 expert-led full-day Microsoft 365 and Azure tutorials. This is…

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Security

How to Back Up Active Directory

Last Update: Sep 02, 2025

In this guide, we’ll explain how to back up Active Directory (AD) by performing a full server backup, a system state backup, or by using Azure backup. Active Directory is a key component of your Microsoft Windows network, and you really need to protect it by performing regular backups. It’s really essential to have a…

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Datacenter networking servers

Understanding Network Basics: What is TCP, Subnetting, and More

Last Update: Aug 26, 2025

In this article, we’ll explain the basics of networking, networking architecture, networking types, and networking security. We’ll also detail what is TCP, subnetting, and all other core networking technologies you should know about. Sharing data and resources between individuals, and across industries and countries, is a significant part of daily life. Establishing a computer network provides…

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