How do I set a primary email address on a federated domain

Posted on June 6, 2012 by Pete

After creating a new user ensure that they are in the correct OU “Business Name”>”Users”, dependant on what your AD is synced to the cloud this may take up to 6 hours to synchronise.

To start first, RDP to your primary DC then go to start and type “adsi”

Select the ADSI Edit application, then navigate to your OU “Business Name” > “Users”. As shown below.

Now select users and you should be able to see all the users in the right hand column, if the newly created user isn’t there, make sure you are in the correct OU. Once you find the user you want to give the user a a primary or alias email address. To do this right click (shown below)

Then click Properties.

Now you should have a screen like this below.

You now need to navigate (scroll down) to “proxyAddress” shown below.

Now if this is a new user it will show “NotSet” if your adding an alias you will see their primary address.

To Add a primary or secondary address click Edit on the bottom right. You will be displayed with this below:

If this is a new user there will be nothing in the bottom text field, if it is a current user with an address you will see that entered. To enter a new primary email address type “SMTP:username@domain.co.uk” in the “value to add field”, now if this is a new user and your entering their primary address the “SMTP:” the SMTP part must be in capitals and don’t forget the colon. Once this is done click “Add”.

You will now see a primary user in the values field now to add an email address alias you need to enter in lower case in the “value to add” field “smtp:username@domain.co.uk” the lowercase distinguishes between the primary and alias address. Once done click add.

Now you should see this (below), both a primary and alias address. Now double check everything spelling domain etc. and click “OK” then “OK” again and close down ADSI edit, unless you have another user.

Now this may take up to 6 hours to sync as it can depend when the user was created to when the user was modified to have their primary domain, all of this is required to stop the user using the username@domain.onmicrosoft.com, when sending emails.

After 6 hours have passed check to see if the user is synchronised and assign them their licenses.

http://blog.the-it-blog.co.uk/2012/06/06/365-how-do-i-set-a-primary-email-address-on-a-federated-domain/

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