Exchange 2016/2019 – convert a mailbox to a shared mailbox

In this tutorial, I will explain how to convert a “normal” mailbox into a shared mailbox. The main difference between a user mailbox and a shared mailbox is that the latter is linked to an Active Directory user account which is deactivated, therefore more “secure”. The other interest is that these mailboxes do not need …

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PowerShell: show the contents of a text file

In this tutorial, I will show you how to display the contents of a text file (txt, yaml, php, vbs…) in a PowerShell window. In fact, it’s very simple, just use the Cmdlet Get-Content and specify the file name. Which give : If you are familiar with the cat command in Linux, you can also …

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Windows Server: disable a cipher suite

In this tutorial, I will walk you through how to disable a cipher suite also call cipher. If you arrive on this tutorial by a search engine, there is a good chance that it is due to a vulnerability test and that you have an alert that goes up because vulnerable cryptographic suites (cipher) are …

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WSUS manually import an update from the Microsoft Update Catalog

In this tutorial, I will explain how to manually import a site updatehttps://www.catalog.update.microsoft.com/ in WSUS with PowerShell. By default, this operation is possible automatically by passing the console and provided that you use Internet Explorer 11. In 2022, who still uses this browser? Download the update and retrieve its GUID Go to the site https://www.catalog.update.microsoft.com/ …

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Delete a DNS zone on Windows Server

In this tutorial, I will explain how to delete a DNS zone on Windows Server. Open the DNS administration console On the Windows server, open the DNS administration console, it is accessible by the server manager by clicking on Tools then on DNS. View DNS Zones In the administration console, expand the Forward lookup zones …

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GPO: force updates from the console

Since Windows 2012, it is possible to force the update of group policies from the Group Policy Management console. It is no longer necessary to go through all the computers and do a gpudapte. To work, the firewall must allow RPC calls to pass. Force update of GPOs remotely 1. Open the Group Policy Management …

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Exchange: add a database in PowerShell

Dans ce tutoriel, je vais vous expliquer comment ajouter une base de données sur un serveur Exchange en PowerShell. The use of PowerShell saves time because several manipulations are to be done, enter go through the ECP then on the list of services to restart a service for consideration. Add a database to Exchange in …

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DFS: delete a namespace on Windows Server

In this tutorial, I will explain how to delete a DFS namespace on Windows Server. In the vast majority of cases, you won’t normally need this tutorial 😉 Although this operation is relatively simple to perform using the graphical interface, it sometimes happens that it does not go as planned, especially if you have planned …

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