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Need an Office 365/Exchange Expert - AutoDiscover Error in Hybrid Scenerio

Posted on 2014-11-13
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Last Modified: 2014-11-17
we have a office 365 instance with a hybryd server

i have email user@domain.com which its configuration are as follow

SMTP:user@domain.com
smtp:user@domain.onmicrosoft.com routable (address through office)
smtp:user@domain.mail.onmicrosoft.com routable (address through hybrid server)

target address is: smtp:user@domain.mail.onmicrosoft.com

webmail works but the issue is that autodiscovery fails so outlook.com cant be setup

just want to add also user cant be found in EMC either as others "Remote Mailbox"
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Question by:Jorge Ocampo
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by:Vasil Michev (MVP)
Vasil Michev (MVP) earned 334 total points
ID: 40442038
Where is your autodiscover pointing at? Run the tests via ExRCA (http://aka.ms/rca) and via Outlook (hold CTRL, right-click on Outlook's icon in the tray, select Test E-mail Autoconfiguration), post the sanitized results here.
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by:Jorge Ocampo
ID: 40442705
its pointing to @domain.com the onprem exchange when the attributes tell it to point to hybrid
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Vasil Michev (MVP) earned 334 total points
ID: 40443056
Post the test results so we can have a look.
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by:Gareth Gudger
Gareth Gudger earned 166 total points
ID: 40445324
just want to add also user cant be found in EMC either as others "Remote Mailbox"

Was this user created on the Office 365 or on the on premise side. Sounds like autodiscover is failing because the user doesn't exist on premise.

If that is the case you may want to make sure Rich Coexistence is enabled in DirSync.
http://support.microsoft.com/kb/2406830

And as Vasil mentioned. Need to know what www.exrca.com reports.
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by:Jorge Ocampo
ID: 40447774
adding mail nickname fixed the issue
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