Downgrade the Forest Functional Level Step 1. Open PowerShell with elevated privileges. Step 2. Execute the following command, replace the identity with your domain name and the forestmode with the level you want to downgrade to. Set-ADForestMode –Identity “CANITPRO.com” –ForestMode Windows2008Forest In the above example, I have downgraded the forest functional level to Windows Server 2008. ... Read more
You can use the import and export feature to create a new virtual machine with the exact same configuration of an existing VM in Hyper-V. You can import the VM files on a new server and create as many VMs as you like. Export Hyper-V Virtual Machine Step 1. Open Hyper-V Manager. Step 2. Right-click ... Read more
There are three types of virtual hard disks in Hyper-V. Those three types are: Fixed size Dynamically expanding Differencing I will explain each type with pros and cons in the article below. Fixed size Disk When you create a fixed-size virtual hard disk, space is reserved beforehand. Suppose you created a VHDX of 200 GB, ... Read more
When you are executing a PowerShell script for the first time you may encounter the following error: .... cannot be loaded because running scripts is disabled on this system. Why did this happen: PowerShell Execution Policies PowerShell has four execution policies for executing the script. Those four policies are described below: Restricted This is a default policy. ... Read more
When you are enabling PowerShell remoting using the command Enable-PSRemoting, you may get the following error because your system is connected to the network trough a Wi-Fi connection. PS C:\WINDOWS\system32> winrm quickconfig The following changes must be made: Start the WinRM service. Set the WinRM service type to delayed auto start. Make these changes [y/n]? y ... Read more
There are two methods for configuring DNS on Windows Server 2016. One is using PowerShell and the other method is using GUI which is slightly longer, but easier and doesn't require commands to be typed. I will show you the GUI method here. Prerequisites Static IP is configured Firewall is turned off Latest updates from ... Read more
If you don't have an internet connection on a Windows system, then you can download the Docker file from another (Internet enabled) machine and then copy it to target. Install Docker without Internet Connection Afterward, follow these steps: Execute the following commands to install docker packages: Install-PackageProvider -Name DockerMsftProvider Import-PackageProvider -Name DockerMsftProvider -Force List all Docker ... Read more
If you are coming from Linux to Windows and you are used to working on the shell, then the following PowerShell commands might be the right ones for you. Get an IP Address Configuration You can use the following command to check the IP address configuration of your computer. It works the same way as ipconfig ... Read more
In this tutorial, I will explain how to install an active directory on Windows Core Server 2016 using a few PowerShell commands. If you have already configured an AD Domain Service before, you may be aware that there are the following two high-level steps: Installing Active Domain itself. Promoting the server as domain controller. Install ... Read more
If you want to check the existence of any user or group in Windows Active Directory, use the following PowerShell script. PowerShell: Check if AD User or Group Exists Step 1. Open PowerShell with elevated privileges. Step 2. Execute the following script: $userobj = Get-ADUser -LDAPFilter "(SAMAccountName=$username)" $vlanobj = Get-ADGroup -LDAPFilter "(SAMAccountName=$vlangroupname)" if ($userobj -eq ... Read more