Exchange 2010 Hybrid Configuration wizard – routing domain not visible

So after having run the Exchange 2010 Hybrid Configuration wizard (HCW), the “” domain (used for routing purposes between on-prem and Exchange Online) is stamped on on-prem mailbox users and from there replicated to the Office 365 users via DirSync.

But you notice you don’t see it under domains in the Office 365 portal:


You wonder what went wrong…

Don’t worry. This is by design. You will see the domain when you connect to the tenant with PowerShell and run:

Get-MsolDomain as well as Get-AcceptedDomain



In addition, the domain appears in the FOPE administration center:


But the “” domain is filtered out of the Office 365 Portal UI.

Nothing broke… 🙂

Until later,
Henrik Walther

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