Exchange 2016 (CU19) New User Address is not visiable in Global Address book

Question

Hello Support

Created New Mailbox Mail id is not appearing in Global Address book
When i select All Contacts. it is appearing.

not

Even i have updated address book

get-offlineaddressbook | update-offlineaddressbook

Update-GlobalAddressList -Identity "Default Global Address List"

i checked there is no hide from Mailbox feature

How to fix this?

Answer 1

The Global Address Book is cached.
The entire process can take a few hours to up to a day before you can see it in Outlook under the Global Address Book in Outlook, so just give it a day and you will be able to see it.

Alternatively, if you disable cache mode in Outlook and restart it, you will then be able to see it in the Global Address Book

Answer 2

Hi @Sathishkumar Singh ,

Noticed that you've accepted Andy's reply above as Answer, do you mean you've already solved the issue by switching to Exchange Online mode?

As mentioned by Andy, when you are running Outlook in cached mode, the Global Address Book you see is cached offline and can take hours to update, while the "All Contacts" folder is online and can stay up-to-date. That being said, aside from switching to Online mode or giving it a day, you can also perform a manual download of the offline address book. To do this, follow these steps:

1. On the ribbon, go to Send/Receive > Send/Receive Groups, and then click Download Address Book.
   
2. In the Offline Address Book dialog box, make sure that the Download changes since last Send/Receive check box is checked, click OK.
   

If you would like to learn more about Offline Address Book in Outlook, hopefully you can find the document below helpful:
Administering the offline address book in Outlook

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