Dynamic 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 the vhdx file of a virtual machine online (without stopping the VM). In this article, we will look at how to extend or reduce (shrink) the size of a virtual machine hard disk in Hyper-V running on Windows 10 or Windows Server 2016 (instructions apply to all supported versions of Hyper-V, including free Hyper-V Server).
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
- PowerShellWindows 11Windows Server 2022
Taking User Desktop Screenshots with PowerShell
January 31, 2025The HelpDesk support team requested a PowerShell script to quickly capture a screenshot of a user’s desktop from a remote computer. The main requirement is that the HelpDesk employee may…
- Windows 10Windows 11
How to LockDown Windows from Changes with Unified Write Filter (UWF)
June 12, 2026Unified Write Filter (UWF) is a native Windows file system filter that can be used to protect physical disks, including users’ and system files, from any changes. When the UWF…
- Active DirectoryGroup PoliciesWindows Server 2019
Zerologon (CVE-2020-1472): Critical Active Directory Vulnerability
March 15, 2024In August 2020, Microsoft released an update to fix a critical Windows Server vulnerability in Active Directory — CVE-2020-1472 (more known as Zerologon) . This update was successfully installed on…
- PowerShellWindows 10Windows 11Windows Server 2022
How to Run CMD/Program as SYSTEM (LocalSystem) in Windows
February 19, 2026Sometimes, local administrator permissions may not be sufficient to manage certain system files, registry keys, processes, and services in Windows. In such cases, an administrator can take ownership of files/other…
- Group PoliciesWindows 10Windows 11Windows Server 2022
How to Disable or Change User Account Control (UAC) Settings in Windows
February 14, 2025User Account Control (UAC) is a default Windows security feature designed to prevent unwanted changes to the operating system. When a program tries to perform an action that requires administrator…
- Active DirectoryGroup PoliciesWindows 10Windows Server 2016
Windows: Block Remote Network Access for Local User Accounts
February 27, 2023Using local accounts (including the local administrator) to access another computer over network in Active Directory environments is not recommended on a number of reasons. The same local administrator username…
Zabbix is an enterprise-level open-source monitoring system. Currently, Zabbix is one of the most popular and powerful free monitoring systems. Due to its simple installation and configuration, Zabbix may be…
- Group PoliciesPowerShellWindows 10Windows 11Windows Server 2022
How to Find Out Who Deleted a File on Windows
November 13, 2025You can use file system object access event auditing to identify which user created, deleted, or modified a specific file. In this article, we’ll show you how to configure event…
- Active DirectoryGroup PoliciesPowerShellWindows 10Windows 11Windows Server 2022
Configuring Password Expiration Notifications for AD Users
March 24, 2026Although Microsoft has removed the requirement to periodically change user passwords from its security baselines, most on-premises Active Directory domains have a policy that specifies the maximum age of a…