Default offline address list exchange 2016 not updating
You will notice that the OAB / GAL in cached mode is out of date, but the OAB / GAL in online mode is correct.
Note: This article assumes you have already created a Public folder database on Exchange 2010.
To use any cmdlets that require the Address List role, you need to add the role to a role group.
For more information, see the "Add a role to a role group" section in the topic, Manage role groups.
HOW TO FIX THIS First check that your databases are pointing to the correct 2010 server for Default public folder database and Offline address book.
In EMC Organization Configuration Client Settings tab In Windows Explorer Delete all files/directories INSIDE but not the directories themselves: C:\Program Files\Microsoft\Exchange Server\V14\Exchange OAB C:\Program Files\Microsoft\Exchange Server\V14\Client Access\OAB In EMC Server Configuration select OAB (Default Web Site) and click OK.
Some parameters and settings may be exclusive to one environment or the other.For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax.parameter is passed, the command returns the OABs for the specified server.I tried deleting the This should be a server-level setting.Your Exchange admin should be able to configure the time interval between updates for your Offline address book downloads.
Use the Get-Offline Address Book cmdlet to obtain the settings of one or more offline address books (OABs).