Exchange 2016 offline address book not updating clients
In order to reflect any changes or updates made to the Global Address List, you can force Outlook to download a new copy of the GAL.
–For Instructions for Outlook 2007 –For Instructions for Outlook 2011 –For Common errors and troubleshooting Step 2: Uncheck the box next to Download changes since last Send/Receive.
The Microsoft Exchange OABGen service produces the OAB data, which is a mailbox assistant.
In case you use the security descriptor to restrict users from accessing certain recipients in Active Directory, then the users who download the OAB will be eligible to view those hidden recipients.
You identify the domain controller by its fully qualified domain name (FQDN). The Force switch specifies whether to suppress warning or confirmation messages.
Hence, to hide a recipient from an address list, decide and set the Hidden From Address Lists Enabled parameter on the Set-Public Folder, Set-Mail Contact, Set-Mail User, Set-Dynamic Distribution Group, Set-Mailbox, and Set-Distribution Group cmdlets.
Subsequently, you are permitted to create a new default OAB that doesn’t contain the hidden recipients.
This cmdlet is available only in on-premises Exchange.
Use the Update-Offline Address Book cmdlet to update the offline address books (OABs) used by Microsoft Outlook clients.