Ransomware has become a massive problem for individual users or entire organizations in recent years. Cryptolocker is a type of ransomware that encrypts valuable files (documents, photos, images) on users’ hard drives and displays a message demanding a ransom to restore the data.
Windows Server: Administration Guides
Step-by-step tutorials and comprehensive courses covering Windows Server installation, configuration, administration, and management. Learn to deploy server roles, manage Active Directory, configure networking, automate tasks with PowerShell, and implement security best practices for Windows Server 2012, 2016, 2019, and 2022 editions. Ideal for beginners and IT professionals seeking practical, hands-on knowledge to master Windows Server environments.
Windows 10 and 11 Tutorials for System Administrators
Guides and technical tutorials for system administrators, focusing on the configuration, deployment, and management of Windows 10 and Windows 11 desktop operating systems. Step-by-step instructions on installation, deployment, policy configuration, security hardening, and administrative tools to optimize Windows enterprise environments.
Group Policy (GPO) Guides for Admins
Clear, concise tutorials on creating and managing Group Policy Objects to control user and computer settings, enforce security, and streamline network administration in Active Directory environments.
- Configuring Firewall Rules With Group Policy
- How to Copy Files or Folders to All Computers with GPO
- Updating Group Policy Administrative Templates (ADMX) Files
- Active Directory Password Policy
- Applying Group Policy troubleshooting guidance
- Deploying printers via GPO
- Running PowerShell scripts using Group Policy
- Local Groups Policies export and import on Windows
Active Directory: Setup, Configuration, and Best Practices
Step-by-step tutorials and comprehensive resources for installing, configuring, and managing Active Directory Domain Services (AD DS). Learn how to set up domain controllers, design forest and domain structures, create users and groups, and implement security best practices.
- Updating AD Group Membership Without Restart or Logoff
- How to Detect the Source of Account Lockout in Active Directory
- Adding an Additional Domain Controller To an Existing AD Domain
- Active Directory Health Check
- Get-ADDomainController: How to Get Domain Controller Information with Powershell
- How to Transfer os Seize FSMO Roles in Active Directory
- Active Directory Backup Best Practices
- How to Reset Domain Admin Password in Active Directory
- Fix Trust Relationship Failed Issue without Domain Rejoining
- How to Extend Password Expire Date in Active Directory
- How to Find Inactive Accounts in Active Directory
Enterprise Virtualization Platforms
Expert guides and tutorials for system administrators on VMware, Hyper-V, and Proxmox virtualization. Covering installation, configuration, management, and optimization to build robust and scalable virtual environments.
PowerShell Scripting Tutorials
Practical guides to automate and manage a wide range of IT tasks using PowerShell. Learn how to streamline system administration, Active Directory, network configuration, software deployment, Microsoft 365 management, and more through powerful scripting and cmdlets.
VMware:Install and Configure Guides
Detailed walkthroughs for installing VMware ESXi, vCenter Server, and VMware Workstation Player, including configuration of virtual machines, network settings, and storage options to optimize your virtual infrastructure.
- VMware ESXi: Create VMFS Datastore on USB Drives
- Configuring iSCSI Datastore on VMware ESXi
- Add Drivers into VMWare ESXi Installation Image
- Adding Sound Controller to a VMWare VM
- Using Free VMware vSphere Hypervisor
- Adding an ESXi host to the VMware vCenter (vCSA)
- Reset VMware ESXi root password
- Disable the Virtual Machine Auto Suspend Feature in VMware Workstation/Player
- Active DirectoryWindows Server 2016Windows Server 2019
How to Reset Active Directory Domain Admin Password
June 8, 2023In this article, we’ll look at the Active Directory domain administrator password reset scenarios. You may need it in cases where domain administrator privileges have been lost due to forgetfulness…
- Windows 11
Installing Windows 11 25H2 with a Local Account (without a Microsoft Account)
October 9, 2025When you perform a clean installation of Windows 11 (or the latest Windows 10 builds), the Setup wizard prompts you to sign in with your online Microsoft Account (MSA). If…
- LinuxWindows 10Windows 11Windows Server 2019
Recovering Files from BitLocker Encrypted Drive
March 13, 2024BitLocker Drive Encryption technology helps protect data on your local and external drives by encrypting the contents of logical volumes. In this article, we’ll have a look at two ways…
- Microsoft OfficeWindows 10Windows 11Windows Server 2019Windows Server 2022
KMS Activation FAQ: Windows & Office Volume Activation Explained
March 27, 2026This article describes how KMS technology works and how you can use it to activate Microsoft volume licensing products. The Microsoft Volume Licensing program allows enterprise customers to deploy an…
- Group PoliciesPowerShellWindows 10Windows Server 2019
Configuring Event Viewer Log Size on Windows
September 21, 2024Windows Event Viewer Logs store useful information that is needed when analyzing the status of services and applications in Windows, troubleshooting errors, and auditing security events. By default, the sizes…
- Group PoliciesPowerShellWindows 10Windows Server 2019
How to Detect Who Changed the File/Folder NTFS Permissions on Windows
March 11, 2024In some cases, the administrator needs to find out which process (program) or user has changed the NTFS permissions on a specific folder or file on a Windows file server.…
- Active DirectoryWindows 11Windows Server 2016Windows Server 2019Windows Server 2022
Enable Single Sign-On (SSO) Authentication on RDS Windows Server
May 23, 2023Single Sign-On (SSO) allows an authenticated (signed-on) user to access other domain services without having to re-authenticate (re-entering a password) and without using saved credentials (including RDP). SSO can be…
- Active DirectoryGroup PoliciesWindows Server 2016Windows Server 2019
Allow Non-admin Users RDP Access to Windows Server
March 16, 2024By default, the RDP access to the desktop of Windows Server member servers or Active Directory domain controllers is restricted to users added to the local Administrators or Domain Admins…
- Windows 10Windows Server 2019
Fix: BSOD Error 0x0000007B (INACCESSABLE_BOOT_DEVICE) on Windows
March 17, 2024Error 0x0000007B (INACCESSABLE_BOOT_DEVICE) at computer startup indicates that Windows cannot access the boot drive because a required driver is missing or the disk is corrupt.