WebYou must have at least one custom domain that you've added to Microsoft 365 before you can choose a default domain. In the admin center, go to the Settings > Domains page. … WebFeb 4, 2024 · O365 default domain keeps reverting to onmicrosoft.com We created a new tenant a year ago with an onmicrosoft.com subdomain, and added our real domain afterwards. We setup Azure AD Connect and found that the users would revert to @ [subdomain].onmicrosoft.com after each sync.
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WebContoso.com is the client domain. We move them to O365. Each users has the original email address [email protected] as alias, among other 2 alias that are sent from local AD (proxyAddress). Now I'm trying to remove the contoso.onmicrosoft.com aliases, but because they are synced from local AD I cannot remove them. havens bus service
Remove Domain from Office 365 Best Method How to …
WebAfter you have set up Microsoft 365 and moved your data from G Suite, you can connect your domain to Microsoft 365. Sign in to Microsoft 365, and under Apps, choose … To add, modify, or remove domains, you must be a Domain Name Administrator or Global Administrator of a business or enterprise plan. These changes affect the whole tenant; Customized administrators or regular users … See more WebAug 3, 2024 · There is no email address policy in Exchange Online, however there is a hidden "rule" that enforces a requirement that at least one smtp address should match the UPN of the user. So the only way to do something like this is to change the UPN as well, either [email protected] or [email protected] or … havens best and brightest