Exchange: optimize database space

In this tutorial, I will explain how to optimize the disk space used by the databases (MailboxDatabase) of Exchange. What you need to know is that the size of Exchange databases only increases and over time, “empty” spaces are created in the database files. Empty space is normally reused to store other data. Despite this …

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Outlook 2016: Office 365 authentication white window – Solution

With Windows 7 and Office 2016 couple, a white window is displayed when authenticating with an Office 365 account. This is due to the non-activation of the TLS 1.1 and TLS 1.2 protocol on WinHTTP. To solve the problem, apply the Microsoft Easy Fix 51044. Once applied, restart the account configuration, the authentication form is …

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Microsoft 365: create an SMTP connector with a fixed IP address

In this tutorial, I will explain how to create an SMTP connector in order to be able to send emails from the Microsoft servers of your Microsoft 365 tenant. As a prerequisite, you must have a fixed IP address. From the Exchange admin center interface, click on Connector 1 located in Mail flow. We arrive …

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Office 365: import users with csv and powershell file

In this article, I’ll walk you through how to bulk import users into Office 365 with the use of PowerShell and the use of a csv file. In certain cases, it is not possible to do an Active Directory directory synchronization (refusal of the client, no AD …). Adding a large number of accounts (for …

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Office 365: right of access to mailboxes

In this tutorial, we will see how to give a user access to another mailbox on the Office 365 Admin Center interface. 1. From the admin center, go to Users 1 / Active users 2. Select the mailbox 3 which must be managed by another user, click on Mail settings 4 then on Modify 5. …

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Exchange : install and configure an SSL certificate

Présentation In this tutorial, I will explain how to install a certificate on Exchange 2013/2016/2019 and how to assign it to the different services. There are two ways to do this: Via the ECP web interface In PowerShell In this tutorial we will see the two ways to do this. Prerequisites You must have the …

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Exchange 2013/2016: migrate to Exchange 2019

Introduction In this tutorial, I will walk you through how to migrate from Exchange 2013/2016 to Exchange 2019. A migration from Exchange is something that can be scary but is relatively simple under 2 conditions: Prepare for migration using a checklist for example. That the starting environment (Exchange 2013/2016) has been correctly installed and configured …

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Change the default visibility of calendars on Exchange

Problem The default visibility of calendars in Outlook / Exchange does not allow you to see the detail (object, location, description) of an event, unless the user has modified the rights himself. Solution It is possible in PowerShell to modify the default visibility of calendars in Exchange. Connection to Exchange online / Office 365 Open …

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Office 365 / Exchange Online: import / export right

Add role mailbox import export

In this tutorial, we will see how to add the import / export right for the admin user in Office 365. By default this possibility is not granted, if you try to go to the interface to manage the imports you should get this message: Configure import and export rights on Exchange Connect to the …

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