In Exchange Server, you can use the Search-Mailbox or New-ComplianceSearch PowerShell cmdlets (available in newer versions of Exchange Server and Exchange Online/Microsoft 365) to search for and delete email items from user mailboxes. For example, a user accidentally sent private data to colleagues in the organization and did not have time to recall the message in Outlook. The information security department requires that an Exchange administrator delete this private email from all user mailboxes in your Exchange organization/tenant.
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 10Windows 11Windows Server 2025
How to Reset Windows Update Settings to Default
July 29, 2025If the Windows Update service is not working properly, updates are not downloading or installing, restoring its original settings is the easiest and most effective solution. In this article, we’ll…
- Windows 10Windows 11
How to Disable or Remove the Microsoft Wi-Fi Direct Virtual Adapter in Windows
June 8, 2023The Microsoft Wi-Fi Direct Virtual Adapter is a Windows virtual device that is used to directly connect two devices using Wi-Fi Direct, bypassing Wi-Fi access points/routers. This specification is described…
- Windows 10Windows Server 2019
The Application Failed To Start Because Its Side-by-Side Configuration is Incorrect
March 11, 2024If you see the “The application has failed to start because its side-by-side configuration is incorrect” error when trying to start an app in Windows, this means that the program…
- PowerShellWindows 10Windows 11Windows Server 2019Windows Server 2022
Install and Manage Windows Updates with PowerShell (PSWindowsUpdate)
March 17, 2024You can use the PSWindowsUpdate PowerShell module to manage Windows Updates from the command line. PSWindowsUpdate module is available for download from the PowerShell Gallery and allows administrators to scan,…
- Azure and Microsoft 365PowerShell
Checking User Sign-in Logs in Entra ID (Microsoft 365)
March 15, 2024In this article, we’ll show you how to get the last login date and sign-in activity of your Azure Active Directory users, export and analyze Azure sign-in and audit logs…
- Windows 10Windows 11Windows Server 2019
How to Sign an Unsigned Device Driver in Windows
March 12, 2024By default, all 64-bit Windows versions prevent the installation of device drivers that are not signed with a valid digital signature. Unsigned drivers are blocked by the operating system. A…
- Hyper-VPowerShellVirtualizationWindows Server 2019
Configure SR-IOV for Hyper-V Virtual Machines on Windows Server
March 29, 2022SR-IOV (Single Root Input/Output Virtualization) is a host hardware device virtualization technology that allows virtual machines to have direct access to host devices. It can virtualize different types of devices,…
- Windows 10Windows 11Windows Server 2019
How to Repair Windows Boot Manager, BCD and Master Boot Record (MBR)
March 11, 2024The Boot Manager in modern Windows versions uses the BCD (Boot Configuration Data) file to boot the operating system installed on the computer. This file contains information about the installed…
- Active DirectoryGroup PoliciesPowerShellWindows Server 2019
Add Last Logged On Username to Computer Description in AD
March 17, 2024You can store various useful information in the description of computer objects in Active Directory. For example, information about the computer model, hardware inventory, or the last logged-on username. In…