Office 365 Migration - Adding Additional UPNs

ben@byteben.com (Ben Whitmore) — Sat, 14 Jul 2018 00:00:00 +0000

In my previous post office-365-migration-user-attribute-discovery-export-powershell/ I described the importance of matching your user UPN with their primary SMTP Address.

Office 365 Migration - User Attribute Discovery and Export using Powershell

ben@byteben.com (Ben Whitmore) — Wed, 04 Jul 2018 00:00:00 +0000

Identity is key. I cannot emphasise this enough as you begin to move workloads into Exchange Online, SharePoint Online and Skye for Business Online. One of the first pieces of advice you should have been given is the user UPN should match the primary SMTP address. Here is why:-

The UPN in Office 365 becomes the default SIP address in Skype for Business Online.
Office (inc Office for IOS) and OneDrive require the UPN to match the email address.

Upn - Tag - byteben

Office 365 Migration - Adding Additional UPNs

Office 365 Migration - User Attribute Discovery and Export using Powershell