Today I’ll show you a very simple and easy way to change the UPN suffix of multiple users using Active Directory Users And Computers console.
Changing the UPN suffix to an Internet routable domain Is a must when migrating services to Office 365.
- To change the UPN suffix using PowerShell see my article below:
- Change User UPN Address Using PowerShell For Single Or Multiple Users
- To add a UPN suffix to your Active Directory Infrastructure see:
- Question: How To Add A UPN Suffix To Active Directory Domain \ Forest
To get started Open the ADUC console and highlight all the users In the OU.
Right Click and select properties
In the account Tab tick the UPN Suffix and select the UPN domain from the drop down list.