What should you do?

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 CUserPrincipalName Test.User@contoso.com | Set-MsolUser CUserPrincipalName 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 CUserPrincipalName Test.User@contoso.com CNewUserPrincipalName Test.User1@contoso.com

View Answer

Answer: D

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

References:

https://msdn.microsoft.com/en-us/library/azure/dn194135.aspx