When icons of different applications and file types are displayed in File Explorer, Windows instead of accessing the original files with icons gets copies of the icon images from special files containing icon cache. Due to the fact that the operating system doesn’t need to load original icon files, the performance and rendering of icon objects in Windows Explorer are improved.
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
- Windows Server 2016Windows Server 2019
How to Configure and Connect an iSCSI Disk on Windows Server
March 15, 2024iSCSI (Internet Small Computer System) is an SCSI protocol that allows to access storage devices over the IP protocol. Using iSCSI, you can connect your server to a shared network…
- Active DirectoryGroup PoliciesPowerShell
Check User Login History in Active Directory with PowerShell
April 8, 2025Active Directory provides several methods for determining when a user has logged on to the domain. The time of a user’s last successful authentication in Active Directory can be retrieved from…
- Group PoliciesWindows 10Windows 11Windows Server 2022
How to Disable/Remove Thumbs.db File on Network Folders in Windows
December 17, 2024Thumbs.db (thumbnail cache) is a hidden system file that is automatically created by the Windows File Explorer in folders containing image and video files when the thumbnail preview mode is…
- Hyper-VVirtualizationWindows 10Windows Server 2016
USB Device Passthrough (Redirect) to Hyper-V Virtual Machine
March 15, 2024One of the significant disadvantages of Hyper-V over other hypervisors (for example, VMWare ESXi or Proxmox) is the lack of a feature of redirecting USB devices from the host to…
When users connect to a corporate VPN server (AlwaysOnVPN, Windows Server RRAS, or OpenVPN server) from a home network, they may report that Internet access is unavailable while the VPN…
- Windows 10Windows Server 2016
How to Enable and Configure User Disk Quotas in Windows?
January 19, 2021Disk quotas allow Windows administrators to control and limit the amount of disk space that users use on the file systems of servers and workstations. Windows Server supports two types…
- Active DirectoryPowerShellWindows Server 2022
Restore Deleted Objects (Users) in Active Directory
April 8, 2025When you delete an object in Active Directory (user, group, computer, or OU), it is not permanently removed right away. Within 180 days, deleted AD objects can be recovered by…
When you create a new user in an Active Directory domain, sometimes you need to make them a member of a large number of groups. It is quite tiresome to…
- Hyper-VPowerShellWindows 10Windows Server 2016
How to Extend or Shrink Virtual Hard Disks on Hyper-V?
January 19, 2022Dynamic resizing of virtual machine hard disks is available starting with Hyper-V in Windows Server 2012 R2. Online VHDX Resize feature allows you to increase or shrink the size of…