In this article, we’ll look at how to hide a user or distribution group from the Exchange Global Address List (GAL). This guide applies to both the cloud Exchange Online (Microsoft 365) tenant and on-premises Exchange Server 2019/2016/2013, and 2010 organizations.
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 2019
How to Backup (Export) Installed Drivers from Windows
April 17, 2024Built-in Windows tools allow you to backup (export) all third-party device drivers installed on your computer to a specified directory. This eliminates the need to manually search for and download…
- PowerShellWindows 10Windows Server 2019
Automatically Add Static Routes After Connecting to VPN
September 20, 2022In the latest Windows 10 builds, you can automatically add static routes when establishing a VPN connection. When the VPN connection is terminated, the route is automatically removed from the…
- Azure and Microsoft 365ExchangeMicrosoft OfficePowerShell
Export Exchange or Office 365 Global Address List (GAL) to CSV
March 15, 2024Let’s consider some ways of exporting the Exchange Global Address List (GAL) or Offline Address Book to a text CSV file. GAL contains all email addresses of your on-prem Exchange…
- Windows 10Windows Server 2016Windows Server 2019
High Non-Paged Pool Memory Usage (Leak) in Windows
August 30, 2021Windows computers and servers may experience troubles with memory overflow caused by a leak of a certain system driver that stores its data in the system’s non-paged memory pool. Non-paged…
I have noticed an annoying feature in the VMWare Workstation hypervisor. If you don’t use a virtual machine for some time, it is automatically suspended by the built-in Auto-Suspend feature.…
- Active DirectoryPowerShellWindows Server 2016Windows Server 2019
Windows Server Core: Installing Active Directory Domain Controller
March 15, 2024Windows Server Core is a good platform to host the Active Directory domain controller role due to fewer resource requirements, increased stability and security (due to less code and updates).…
- Azure and Microsoft 365Microsoft Office
How to Increase Attachment Size Limit in Outlook
March 15, 2024There is a 20 MB limit on the maximum attachment size in the Outlook email client (including the latest versions of Outlook for Office 365 and Office 2019/2016). It doesn’t…
- Hyper-VPowerShellVirtualizationWindows Server 2016
Hyper-V: Configuring Automatic Startup and Boot Order of VMs
March 17, 2024In Hyper-V, you can configure automatic startup and shutdown options for your virtual machines when you boot or restart your host OS. In this article, we’ll show how to configure…
- PowerShellWindows Server 2019
How to Manually Import (Add) Update into WSUS from Microsoft Update Catalog
March 16, 2024Not all fixes, patches, and updates for Microsoft products are available for installation in the Windows Server Update Services (WSUS) console. For example, you might have disabled update synchronization for…