CPU: any modern multi-core x64 processor, minimum 4 cores
Memory: 8 GB RAM minimum.
Disk space: 500 MB for product installation.
Only 64-bit versions of the following operating systems are supported:
- Microsoft Windows Server 2019
- Microsoft Windows Server 2016
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012
- Microsoft Windows Server 2008 R2 SP1
- Microsoft Windows 10
- Microsoft Windows 8.x
- Microsoft Windows 7 SP1
Microsoft .NET Framework 4.7.2 or higher.
Windows C Runtime and Update (UCRT).
Windows PowerShell version 2.0 or later.

Assigning the Application Impersonation Role Using PowerShell

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$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Credential -Authentication Basic -AllowRedirection

Import-PSSession $Session

1	New-ManagementRoleAssignment –Role ApplicationImpersonation –User user.name@domain.com

Veeam installation for Office 365

We will download Veeam for Office 365
Once downloaded, we will install Veeam Backup365

We will install Veeam Explorer For Exchange

We will install Veeam Explorer For SharePoint

Veeam configuration for Office 365

We will launch Veeam Backup for Microsoft Office 365

We will leave the default settings

Veeam License for Office 365

Once connected, veeam informs us that the product is not licensed, we will see how to add a license.

We will select install, a window will appear

Select your license that ends in.Lic

Proxy configuration

In our case we have no proxy, you can set one if you have one

Configuring the repository

We will add a new repository

We will select in our case the E disk, which has 2TO dedicated to backup

We will set the retention at 90 days, usually my clients leave 3 years, everything will depend on your resources

We will delete the repository created by default

Organization configuration

We will select Add org

We will select in our case Office 365

We are going to fill in the identifiers of the account which has the rights on the tenant office 365

Configuration Backup Job

We will select add backup job

We will select in this case the entire organization, you (have the option to specify the users).

It will be necessary to take into account the fact of specifying the user will make impossible the automatic addition of a new USER in the backup plan