In Exchange Server or Microsoft 365-based email organizations, you can recall (or replace) a sent email from a recipient’s inbox in Outlook if it has not been read. For example, you forgot to attach a file to a message, specified the wrong recipient, or the information in the email is no longer up-to-date. In all these cases, Outlook allows you to recall a sent e-mail from users’ mailboxes and send a new one with valid details.
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
For security reasons, the clipboard is disabled by default in the VMware vSphere Client. This means that you cannot use copy/paste operations between the OS and your computer when you…
- Active DirectoryWindows 10Windows 11
Error: The Specified Domain Doesn’t Exist or Couldn’t Be Contacted
January 23, 2024The main reason for the The specified domain either does not exist or could not be contacted error in Windows is usually due to incorrect network settings on the computer.…
- Azure and Microsoft 365ExchangePowerShell
List and Remove Calendar Events from Exchange Mailbox with PowerShell
March 15, 2024PowerShell allows you to access event and meeting items in Exchange users’ calendars. In this post, we will look at how to get a list of calendar events or remove…
This article shows how to create a new virtual machine on a VMware ESXi host and install a guest operating system from an ISO image. Let’s see how to create…
- Azure and Microsoft 365ExchangePowerShell
Get All SMTP (Email) Addresses Using PowerShell in Exchange
March 17, 2024From time to time, you may need to export the full list of email addresses in your Exchange organization. In this article we will show how to get and export…
- Group PoliciesMicrosoft OfficePowerShellWindows 10
Deploying Microsoft Office Language Packs
March 13, 2024In this article, we’ll look at manual and automated ways to deploy additional language packs and set the default language in Microsoft Office 2019, 2016, and Microsoft 365 Apps for…
- PowerShellWindows 10Windows Server 2019
Send Telegram Messages from a PowerShell Script
March 12, 2024You can use your Telegram messenger as a notification tool to get instant reports on various infrastructure events, script execution results, or scheduler tasks. This article shows you how to…
You can use Ansible to automate some tasks in your VMware infrastructure. You can automatically deploy and configure ESXi hosts, manage network settings, start, stop, or delete VMs, deploy virtual…
In this article, we’ll look at how to access and export the history of Microsoft Teams chat conversations using PowerShell. Teams chats are stored in a hidden Conversation history\Team Chat…