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String :-)Flag for Australia

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How to re-name User with Hybrid Exchange Office 365

Hi All,
I started work recently at a network with Hybrid Exchange\Office 365.  

I have a user who needs surname changed but not sure how to process this change with Hybrid Exchange.

Current email address is  Alice.Brown@acme.com, needs to be changed to Alice.Black@acme.com

I need to add a new email address and make it default,  then make sure he can still recieve messages into the old address to.


What I know:
All new users are setup on local AD.
We run Enable-RemoteMailbox command in local Exchange shell to enable Mailbox on Office 365
AD Users are sync'ed with Azure AD Connect v 1.1

Any tips much appreciated!!!.
Cheers
String
ASKER CERTIFIED SOLUTION
Avatar of Vasil Michev (MVP)
Vasil Michev (MVP)
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Hi,

Follow the steps provided by Vasil, and if you have access to view and manage you recipients in Office 365 then have a look at the user email address, and edit it accordingly as needed.

Thanks
Avatar of String :-)

ASKER

Thanks for your assistance guys.
YES all fine.
Process followed:
ADUC / Rename User
Atrributes Editor / ProxyAddresses

** There was an extra task Needed though:

After ADSync'd to Office 365, I needed to update UserPrincipalName using PS msonline
ie
Set-MsolUserPrincipalName -UserPrincipalName Graeme.smithJones@acme.COM -NewUserPrincipalName Graeme.Jones@acme.COM
Im not sure if this part was manditory, but made everything match.

Cheers
String