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Cloud Services Thread, Office 365 Email Account Creation in Technical; Hi all, We're about to (next week) move over our students to O365, including exchange. We currently have an on-premise ...
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    Office 365 Email Account Creation

    Hi all,

    We're about to (next week) move over our students to O365, including exchange. We currently have an on-premise server so all msExch AD attributes etc are part of the DirSync (We're using ADFS 3.0 and DirSync), so I can't apply the licenses just yet. However, I'll be disconnecting those on Monday in preperation for O365 licenses. My question is, do I need to set any AD attributes in order that the O365 Exchange accounts are created with the correct @school.ac.uk domain name rather than the onmicrosoft.com? I was hoping that I'd just have to run the one script to apply licenses, and not have to run a second one just to make sure the emails are OK.


    Thanks

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    Yes. You need to set the UPN suffix for your users to the same domain as the e-mails.

    You can add a new UPN by going to AD Domain and Trusts. Right click your domain name and and click properties and you can add a new UPN Suffix in there. Then you need to change your users UPN Suffix in AD.

    This guide is how I did mine...

    Short Tutorials on The Latest Technologies Adding Alternate UPN Suffix to Active Directory Domain

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    aceonbass (10th July 2014)

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    synaesthesia's Avatar
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    UPN suffix needs to match your domain and should have in extended attributes "proxyaddresses" set to (case sensitive) SMTP:username@domain.com

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    aceonbass (10th July 2014)

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    Thanks to both. UPN suffix is already set on all users, so that's not an issue. Do I need any brackets around the SMTP:username@domain.com? They have current entries that contain {} as I guess these have come from Exchange.

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