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Oab not updating exchange 2016 server

This is an important configuration item to review during a migration project and should not be overlooked.

For example, a staff member changes surnames and the help desk updates their Active Directory account with the new name.

The staff member may notice that when the address book is viewed in Outlook their name remains unchanged, and may do so for 24-48 hours.

If Outlook is left running constantly in Cached Exchange Mode, it updates the Offline Address Book automatically about once a day, depending on Address Book updates on the server running Exchange.

To initiate these updates manually, do the following: So that they can use their updated address book when they are offline. Outlook Connects to the Client Access Server for MAPI Connectivity.

Paul is a co-author of Office 365 for IT Pros and several other books, and is also a Pluralsight author.

In an Exchange Server 2010 organization it is normal for there to be some delay before administrative changes appear in the address book for Outlook users.

I migrated from Exchange 2010 to 2016 a few months ago and the issue was just recently discovered when I added a new user to Exchange the other day.

It seems like if I add a new user they get the most current Global Address Book when they first load their profile in outlook, but then cannot download the newest version of the Global Address Book.

If you know that your administrators are only making changes up until 6pm each day, then waiting until 5am the next day to update the OAB is probably unnecessary.

In the Exchange Management Console navigate to Organization Configuration - Mailbox and select the Offline Address Book tab.

The solution is to review your existing OAB configuration.