# Ajouter un suffixe UPN pour la synchronisation Azure AD

## Etape 1 : rajouter un suffixe UPN

  
L'UPN principal de mon AD est ad.khroners.fr. On va rajouter khroners.fr.  
Dans "Domaines et approbations Active Directory", :

[![image-1646689246744.png](https://docs.khroners.fr/uploads/images/gallery/2022-03/scaled-1680-/YQyC6L85coFQksNd-image-1646689246744.png)](https://docs.khroners.fr/uploads/images/gallery/2022-03/YQyC6L85coFQksNd-image-1646689246744.png)

[![image-1646689279174.png](https://docs.khroners.fr/uploads/images/gallery/2022-03/scaled-1680-/Czdz9v0n6V4Nup4m-image-1646689279174.png)](https://docs.khroners.fr/uploads/images/gallery/2022-03/Czdz9v0n6V4Nup4m-image-1646689279174.png)

## Etape 2 : modifier l'UPN de tous nos utilisateurs via PowerShell

```Powershell
$LocalUsers = Get-ADUser -Filter "UserPrincipalName -like '*ad.khroners.fr'" -Properties userPrincipalName -ResultSetSize $null
$LocalUsers | foreach {$newUpn = $_.UserPrincipalName.Replace("@ad.khroners.fr","@khroners.fr"); $_ | Set-ADUser -UserPrincipalName $newUpn}
```

Pensez à remplacer khroners.fr par votre domaine.

On vérifie :

[![image-1646689400064.png](https://docs.khroners.fr/uploads/images/gallery/2022-03/scaled-1680-/YmCrTPEcK7wGoQMn-image-1646689400064.png)](https://docs.khroners.fr/uploads/images/gallery/2022-03/YmCrTPEcK7wGoQMn-image-1646689400064.png)