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Unlocking the Power of Modern Authentication for Exchange Online PowerShell Scripts

Modern Authentication and Unattended Scripts in Exchange Online PowerShell V2
As a Cloud Architect, it is important to understand how to access Exchange Online PowerShell V2 with modern authentication and how to use unattended scripts. Exchange Online PowerShell V2 is an updated version of the Exchange Online PowerShell that provides a single, unified experience for both administrators and developers.

What is Modern Authentication?
Modern authentication is a type of authentication that allows applications to authenticate users using the OAuth protocol. It is a more secure form of authentication than the traditional username and password approach. Modern authentication allows administrators to securely access Exchange Online PowerShell V2 from any device and from any location.

What are Unattended Scripts?
Unattended scripts are scripts that are written to automate recurring tasks without the need for user interaction. Unattended scripts can be used to perform tasks such as bulk mailbox creation, mailbox provisioning, bulk mailbox migration and other administrative tasks that require frequent execution.

How to Use Modern Authentication and Unattended Scripts in Exchange Online PowerShell V2
In order to use modern authentication and unattended scripts in Exchange Online PowerShell V2, you will first need to register an application in Azure Active Directory. Once you have registered the application, you will then need to generate an access token for the application in order to authenticate with Exchange Online PowerShell V2.

Generating an Access Token for Exchange Online PowerShell V2
In order to generate an access token for Exchange Online PowerShell V2, you will need to use the PowerShell command New-PnPAccessToken. This command will generate an access token that will be used to authenticate with Exchange Online PowerShell V2. Once you have the access token, you can then use it to authenticate with Exchange Online PowerShell V2.

Using Unattended Scripts with Exchange Online PowerShell V2
Once you have authenticated with Exchange Online PowerShell V2, you can then use unattended scripts in order to automate recurring tasks. Unattended scripts can be written in either PowerShell or in the Microsoft Graph API. In order to use unattended scripts with Exchange Online PowerShell V2, you will need to use the Set-PnPUnattendedScript command. This command will set the script to be used with Exchange Online PowerShell V2.

Conclusion
Modern authentication and unattended scripts are powerful tools that can be used to automate recurring tasks in Exchange Online PowerShell V2. By understanding how to use modern authentication and unattended scripts in Exchange Online PowerShell V2, you can save time and effort in managing your Exchange Online environment.
References:
Modern Auth and Unattended Scripts in Exchange Online PowerShell V2

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