Exchange checks attributes such as the first name, surname, displayname, and mailbox alias during the ANR process. How to understand ANR?

OUTLOOK client

Create a new message in outlook client,
Fill in To… box with jan, Subject: work  Body: Fine!
Press Send button,

ANR process provides three possible options.

Actually, the attribute of schema controls the ANR.

Set an attribute to be capable of ANR

Activate the Custom field in Outlook client

In Exchange Management Console, Toolbox

Bind the Textbox to ms-Exch-Extension-Attribute-1

It takes some time for OUTLOOK client to reflect the new Custom 1 box.

OUTLOOK address book, select Leesa Watts display name and properties,

set-mailbox 'Lina Zeh' -CustomAttribute1 '10090'
set-mailbox 'simon also' -CustomAttribute1 '10080'

Logon as Lina Zeh,
Create a new message and fill in To… box with 100 and right-click on 100

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