Forum Discussion
Azure AD connect with existing O365 user accounts
My overall plan is to migrate our Exchange 2013 server to Exchange Online. If I'm right, it will be easier if I install Azure AD Connect on our AD so it will sync with O365 and users can sign in wit...
When you sync Azure AD with your existing O365 user accounts using Azure AD Connect, it will match the users based on their email addresses. If a user account already exists in O365, it will be matched with the corresponding AD user account and no duplicate account will be created.
However, if there are any conflicts or errors during the synchronization process, you may need to resolve them manually. For example, if there are two user accounts with the same email address, Azure AD Connect will not be able to determine which account to match with the AD user account, and you will need to resolve the conflict manually.
As for verifying your .com domain in O365, it is recommended to verify the domain before syncing with Azure AD. This will ensure that the domain is correctly configured and verified, and will avoid any issues during the synchronization process. Once the domain is verified, you can proceed with configuring Azure AD Connect to sync your AD user accounts with O365.
