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Exchange 2010 Hybrid Deployment Office 365 - User Migration

Posted on 2013-11-08
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Last Modified: 2013-11-11
We have moved our first couple users over as a test.

Autodiscover is not working us.  It worked fine yesterda.  No changes were made and now it doesnt work upon trying to migrate users.

Some users connect and work fine, then if they close and reopen outlook they dont work.

I have all the required settings from microsoft in external dns.

I am not sure what to try next as there is not a whole lot out there that I can find that applies to this situation.

Any idea?
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Question by:considerscs
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Expert Comment

by:Vasil Michev (MVP)
ID: 39634493
What happened with the AD FS? Do the usual tests from ExRCA and Test E-mail autoconnectivity locally.

What's the error message? Hope it's not the "an exception has been thrown by the target of invocation", as that one has lots of possible causes...
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by:considerscs
ID: 39634509
The ADFS works great.  Both internally and externally.

Just the outlook clients connecting for these couple test users is so sporadic.

All the ExRCA tests pass.

Just shows error 401 which we know it cant be authentication because ADFS works with the portals both internal and external.
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Vasil Michev (MVP) earned 2000 total points
ID: 39634578
OK, so we are talking about already migrated users here, not the actual migration process?

Do the single sign-on test from ExRCA to make sure everything is OK with the AD FS. That 401 error needs to be cleared.

If it was working OK on the ExRCA, I would suggest going over the regular stuff: clearing stored credentials, using registry changes to bypass the local server, checking for missing updates, etc. But since EcRCA is failing, you should focus on fixing this.

Check the Office 365 portal for any reported issues btw, might be as simple as that. Check if they can access their mailboxes from Office 365 OWA.
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