Microsoft Graph API allows you to access any objects in the Azure AD (Microsoft 365) tenant using a single REST API point (https://graph.microsoft.com). You are likely to think that it may be interesting to web developers only, but it is quite the other way round. Some data, objects, or resource properties in Microsoft 365 can only be accessed through Microsoft Graph. To collect analytic data, statistics, or other information, an Azure administrator has to use Microsoft Graph.
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 DirectoryPowerShellWindows 11Windows Server 2022
Get-ADUser: Find Active Directory User Info with PowerShell
March 24, 2026The Get-ADUser is the most commonly used PowerShell cmdlet for retrieving Active Directory user information, including attributes like usernames, email addresses, account activity, group memberships, contact details, job titles, organizational…
- Active DirectoryAzure and Microsoft 365PowerShell
Configuring UserPrincipalName and UPN Suffixes in Active Directory
March 11, 2024In this article, we’ll look at what UPN (UserPrincipalName) suffixes in Active Directory are, how to add alternative suffixes in an AD forest and change UPN suffixes of Active Directory…
After being infected with a virus or incorrectly changing the system registry, the user may encounter the fact that executable EXE-files (installation MSI-files or PowerShell/CMD/VBScript files) not opening in Windows.…
- Active DirectoryGroup PoliciesPowerShellWindows 11Windows Server 2022
Display System Info on Desktop with BGInfo
February 6, 2025When managing a large fleet of servers and workstations, it is useful to have basic information about the computer displayed on the system desktop. For example, it can include the…
- PowerShellWindows 10Windows Server 2019
PowerShell: Get, Modify, Create, and Remove Registry Keys or Parameters
March 11, 2024The Registry Editor (regedit.exe) and the reg.exe command-line utilities aren’t the only tools to access and manage the registry in Windows. PowerShell provides a large number of tools for the…
In this article, we’ll look at how to increase the size of a VMFS datastore using the vSphere Web Client interface or VMware ESXi command prompt.
- Group PoliciesWindows 10Windows 11Windows Server 2019
How to Hide or Show User Accounts from Login Screen on Windows
April 8, 2026By default, the Windows login screen displays the account of the last user who logged on to this computer and a list of all local users. Windows allows you to…
- Active DirectoryPowerShellWindows Server 2016Windows Server 2019
How to Enable DNS Query Logging and Parse Log File on Windows Server
October 1, 2024In this article, we’ll show how to enable DNS logging for all user queries on a DNS server running Windows Server, how to parse and analyze DNS logs. I faced…
- Active DirectoryPowerShellWindows Server 2019Windows Server 2022
Install and Configure a Read-Only Domain Controller (RODC) on Windows Server 2019/2022
March 15, 2024The read-only domain controller (RODC) feature was first introduced in Windows Server 2008. The main purpose of the RODC is the secure installation of the own domain controller in remote…