How to change UPN Suffix of All Users with PowerShell | Windows Server 2022

#Get a list of the UPN suffixes
Get-ADForest | Format-List UPNSuffixes

#Let’s add the UPN suffix


#List of all the AD Users in the organization
Get-ADUser -Filter * | Sort-Object Name | Format-Table Name, UserPrincipalName

#Change the UPN for all the AD users in the organization

#Confirm that the UPN is changed
Get-ADUser -Filter * | Sort-Object Name | Format-Table Name, UserPrincipalName

#windows
#windowsserver2022
#activedirectory
#microsoft
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