L.S.
Hybrid exchange - trying to move users over getting an error.
Information :
User has 2 mailboxes
Tom.Test@companya.com
Tom.Test@companyb.com
1 Office 365 Tenant
Both domains added to the Tenant
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But when we try to migrate the user, we get the error that they ( 2 accounts ) can't both have tom.test@tenantname.onmicrosoft.com.
How can this be solved?
Thank you.