You are the administrator for Contoso, Ltd. You have an Office 365 tenant with Skype for Business Online. You have an account named Test.User@contoso.com.
You configure the account to use the same email address and Session Initiation Protocol (SIP) address.
You need to change the SIP address for the account to Test.User1@contoso.com.
What should you do?
A.
In the Office 365 admin center, change the display name for Test.User@contoso.com to Test.User1@contoso.com.
B.
Run the following Windows PowerShell command:
Get-MsolUser –UserPrincipalName Test.User@contoso.com | Set-MsolUser –UserPrincipalName Test.User1@contoso.com
C.
In the Office 365 admin center, add the SMTP address Test.User1@contoso.com to Test.User@contoso.com
D.
Run the following Windows PowerShell command:
Set-MsolUserPrincipalName –UserPrincipalName Test.User@contoso.com –NewUserPrincipalName Test.User1@contoso.com
Explanation:
The Set-MsolUserPrincipalName cmdlet is used to change the User Principal Name (user ID) of a user.Example: The following command renames user1@contoso.com to CCole@contoso.com.
Set-MsolUserPrincipalName -UserPrincipalName User1@contoso.com -NewUserPrincipalName CCole@contoso.com
Set-MsolUserPrincipalName
https://msdn.microsoft.com/en-us/library/azure/dn194135.aspx