https://rdr-it.com/en/tag/powershell/System administration, virtualization, security and tools for IT professionals.en-USFri, 09 Oct 2026 17:31:24 +0000https://rdr-it.com/en/migrating-from-keycloak-to-authentik-using-powershell/Wed, 07 Oct 2026 04:30:00 +0000https://rdr-it.com/en/migrating-from-keycloak-to-authentik-using-powershell/Easily migrate from Keycloak to Authentik using a PowerShell script. Learn how to export users and groups from a Keycloak realm and automatically import them into …https://rdr-it.com/en/exchange-managing-permissions-for-shared-folders-using-security-groups/Wed, 30 Sep 2026 04:30:00 +0000https://rdr-it.com/en/exchange-managing-permissions-for-shared-folders-using-security-groups/In this article, I’ll explain how to manage mailbox delegation: Full access using a security group in Exchange. The following applies to both user mailboxes and shared …https://rdr-it.com/en/exchange-managing-calendar-permissions-in-powershell-using-the-exchange-management-shell/Wed, 23 Sep 2026 04:30:00 +0000https://rdr-it.com/en/exchange-managing-calendar-permissions-in-powershell-using-the-exchange-management-shell/In this tutorial, I’ll explain how to manage calendar permissions using the Exchange Management Shell (PowerShell). A common request when managing an Exchange environment …https://rdr-it.com/en/exchange-calendar-remove-the-organizer-from-the-subject-of-a-room-booking/Mon, 10 Aug 2026 05:00:00 +0000https://rdr-it.com/en/exchange-calendar-remove-the-organizer-from-the-subject-of-a-room-booking/By default in Exchange, when a user books a meeting in a room, the subject of the booking displays the user’s name rather than the meeting subject. You can change this …https://rdr-it.com/en/windows-11-joining-an-active-directory-domain/Wed, 22 Jul 2026 04:30:00 +0000https://rdr-it.com/en/windows-11-joining-an-active-directory-domain/Active Directory In this tutorial, I’ll explain how to join a Windows 11 computer to a domain. Prerequisites for joining a domain Active Directory Active DirectoryThe …https://rdr-it.com/en/adfs-how-to-replace-the-ssl-certificate/Wed, 17 Jun 2026 04:30:00 +0000https://rdr-it.com/en/adfs-how-to-replace-the-ssl-certificate/In this tutorial, I’ll explain how to replace the SSL certificate on ADFS (Active DirectoryFederation Services). This step is necessary when renewing an expired …https://rdr-it.com/en/active-directory-deleting-a-user-using-powershell/Wed, 27 May 2026 04:30:00 +0000https://rdr-it.com/en/active-directory-deleting-a-user-using-powershell/In this tutorial, we’ll look at how to delete a user from an Active Directory directory using PowerShell. At first glance, this is fairly easy using the cmdlet …https://rdr-it.com/en/psd-mdt-in-powershell-installation-and-configuration/Mon, 18 May 2026 06:00:00 +0000https://rdr-it.com/en/psd-mdt-in-powershell-installation-and-configuration/In this tutorial, we’ll look at how to install, configure, and use PSD (PowerShell Deployment), which is a version of MDT that has been rewritten in PowerShell To provide …https://rdr-it.com/en/debloat-windows-11-clean-up-the-installation-with-powershell-and-mdt/Wed, 15 Apr 2026 04:30:00 +0000https://rdr-it.com/en/debloat-windows-11-clean-up-the-installation-with-powershell-and-mdt/Learn how to streamline Windows 11 during deployment with MDT by using a PowerShell script to remove unnecessary applications. A complete tutorial for an optimized system …https://rdr-it.com/en/mdt-run-a-powershell-script-as-an-application/Wed, 18 Mar 2026 05:30:00 +0000https://rdr-it.com/en/mdt-run-a-powershell-script-as-an-application/Easily run a PowerShell script via MDT by adding it as an application in your Windows deployment task sequence. Simple, fast, and efficient.https://rdr-it.com/en/active-directory-creating-a-group-policy-object-gpo-best-practices/Mon, 02 Feb 2026 06:00:00 +0000https://rdr-it.com/en/active-directory-creating-a-group-policy-object-gpo-best-practices/In this article, I will explain how to create a group policy, also called GPO, while respecting some best practices and errors to avoid in your Active Directory domain. …https://rdr-it.com/en/powershell-resolve-a-dns-name-with-resolve-dnsname/Wed, 07 Jan 2026 05:30:00 +0000https://rdr-it.com/en/powershell-resolve-a-dns-name-with-resolve-dnsname/In this tutorial, I will explain how to use PowerShell to perform DNS name resolution using the Resolve-DnsName command. This built-in Windows tool makes it easy to query …https://rdr-it.com/en/gpo-run-a-powershell-script-at-windows-11-startup-with-windows-server-2025/Thu, 02 Oct 2025 04:30:00 +0000https://rdr-it.com/en/gpo-run-a-powershell-script-at-windows-11-startup-with-windows-server-2025/In this tutorial, we will see how to run a PowerShell script when starting a computer running Windows 11 in an Active Directory domain with a Windows Server 2025 domain …https://rdr-it.com/en/active-directory-perform-a-powershell-search-with-a-wildcard-character-wildcard/Wed, 10 Sep 2025 04:30:00 +0000https://rdr-it.com/en/active-directory-perform-a-powershell-search-with-a-wildcard-character-wildcard/In this tutorial, I will explain how to use the wildcard (*) in an Active Directory search with PowerShell. When you administer an Active Directory, you regularly search …https://rdr-it.com/en/active-directory-raise-domain-and-forest-functional-level-with-powershell/Wed, 16 Jul 2025 05:00:00 +0000https://rdr-it.com/en/active-directory-raise-domain-and-forest-functional-level-with-powershell/After seeing how to increase the functional level of the domain and the forest using the different Active Directory administration consoles, I will explain how to do this …https://rdr-it.com/en/windows-server-how-to-install-an-ssh-server-openssh/Wed, 09 Jul 2025 04:30:00 +0000https://rdr-it.com/en/windows-server-how-to-install-an-ssh-server-openssh/In this tutorial, I will explain how to install the OpenSSH (SSH) server on Windows Server in order to administer it remotely as you would do for a Linux server and also …https://rdr-it.com/en/active-directory-create-a-user-with-powershell/Wed, 18 Jun 2025 04:30:00 +0000https://rdr-it.com/en/active-directory-create-a-user-with-powershell/This “how to” tutorial explains how to create users in Active Directory using the New-ADUser cmdlet in PowerShell Create a user in Active Directory with PowerShell …https://rdr-it.com/en/active-directory-create-a-group-in-powershell/Wed, 28 May 2025 04:30:00 +0000https://rdr-it.com/en/active-directory-create-a-group-in-powershell/In this tutorial, we will see how to create an Active Directory group from a domain controller in PowerShell using the New-ADGroup cmdlet. Syntax to create a group in …https://rdr-it.com/en/configure-a-dns-forwarder-on-windows-server-with-powershell/Wed, 02 Apr 2025 04:30:00 +0000https://rdr-it.com/en/configure-a-dns-forwarder-on-windows-server-with-powershell/In this tutorial, I will explain how to add a DNS forwarder on Windows Server using PowerShell. The Cmdlets used in this tutorial are launched in a PowerShell window run …https://rdr-it.com/en/gpo-run-powershell-script-at-logon/Wed, 26 Feb 2025 05:30:00 +0000https://rdr-it.com/en/gpo-run-powershell-script-at-logon/In this tutorial, I will show you how to run a PowerShell script at user logon using Group Policy (GPO) in an Active Directory environment. Before you begin this …