VarulaiCopper ContributorFeb 16, 2024365 UPN & External Accounts Hello, my company only uses Office 365 we do not have a local active directory. We have two UPN's linked to our 365, the current one which is too long and the new one which we want to migrate over to...Show More
Kidd_IpMVPFeb 17, 2024Varulai It depends on what kind of application, say for example, on-prem Skype for business may affected since UPN will be used as identifier
