Skype for Business Online The UPN in Office 365 becomes the default SIP address in Skype for Business Online. Will the member ship get impacted. I've come up with this command based on OU. This was necessary in our environment for onboarding to Office 365. If you want to keep them same, you need … Your SIP address should match your email address, especially if you plan to communicate with federated partners. You can change this by populating the SIP address in the on-premises Active Directory and you’ll want to do this. Now we can tell users to sign in with their email address. As your accounts are synced from local AD, the article is not available for you. The article I provided is about how to change UPN and primary SMTP email address at the same time for pure cloud organization. The upshot of all of this is that, although your UPN and SMTP email address aren’t necessarily one and the same, when you migrate to Office 365 you are best advised to make UPNs match users’ SMTP addresses. Thus, the user must know where to enter the primary email address or UPN. iOS requires the UPN to match the email address. Thus, UPN = Email = SIP. Considering Change of Domain Case: ... we have explained different cases in which UPN is required. Here are the simplest ways to accomplish this. To do this, use one of the following methods: Method 1: Use the Office 365 portal. – The Office 365 login or UPN should match the primary email address – The SfBO login or SIP name should match the UPN. Obtain the UPN from the user account in Azure AD. What is UPN (User Principal Name)? We wanted users to be able to login to Office 365 using their ’email address’, so we decided to change all UPNs to match. If the email address and UPN match, it is one less thing users have to remember ... An email address on one account will conflict with the UPN of another, requiring you to change the UPN of the departed employee. What will be the impact on O365 Groups/Distribution groups ownership/Membership of this. The Module will change the UPN of a user to match with their Primary SMTP Email ID. Watch a short video about changing a user's email address. Know why your UPN should match your primary SMTP address in Office 365. In these examples Microsoft and Apple really mean ‘UPN’ and not 'email address'. Our UPNs were not publicly routable. These few issues are worth the trouble to resolve in … Our users have email addresses that do not match their upn. Step 2: Open Azure AD Powershell module You may need to change someone's Office 365 email address and display name if, for example, they get married and their last name changes.