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considerscsFlag for United States of America

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Exchange 2010 SP3 to Office 365 Hybrid Migration - One user with proxy address error

There is no problems migrating anyone to the cloud.  The only issue I have is one user that continues to throw this error.

the target mailbox doesn't have an smtp proxy matching .mail.onmicrosoft.com

The problem is that this user does have that proxy address on their box and DirSync has been synced multiple times and it continues to error out with this error.

Does anyone know what may be causing this or any ideas to try?
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Amit
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Did you tried this solution:
https://support.microsoft.com/en-us/kb/2939340

For one user, I might recreate fresh ID and mailbox.
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Yes, I have seen that solution a few times now and the address is actually applied to the user and mailbox.  Problem with recreating it is that could cause the old x500 address issue.

Any other ideas?
Just create new ID for user, keep this one also. Then switch over the email address and let it work for few days. later you delete old one.
created new user and it from the beginning of creation has the smtp proxy address and I still get the same error in moving the new account up.
That seems to be different issue not related to this user only. I suggest you call Office 365 support team.
Contacting Microsoft as this is making no sense to me.  will post results for others once I have an answer.
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figured it out myself before MS even responded to a question on their forum.