Sbs 2016 global address list not updating
For more information, see the "Add a role to a role group" section in Manage role groups (https://technet.microsoft.com/library/jj657480.aspx).
For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax (https://technet.microsoft.com/library/bb123552.aspx).
For example: The default value for this parameter is the organization mailbox named System Mailbox.
A single organization mailbox can generate multiple OABs (you can use the same value for this parameter in the settings of multiple OABs), but in Exchange 2013 CU5 or later, an OAB can only be generated by a single organization mailbox (this parameter doesn't accept multiple values).
Some parameters and settings may be exclusive to one environment or the other.
Use the New-Offline Address Book cmdlet to create offline address books (OABs).
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-------------------------- Example 1 -------------------------- In Exchange Server 20, this example uses two commands to create the OAB named OAB_Agency B that includes all address lists in which Agency B is part of the name. This example command also creates the default OAB for the organization.
I tried forcing an update via powershell "get-globaladdresslist | update-globaladdresslist" and manually re-requesting the addressbook in outlook, but this didn't do the trick.