Sbs 2016 global address list not updating
In Exchange Online, this cmdlet is available only in the Address Lists role, and by default, the role isn't assigned to any role groups.
To use this cmdlet, you need to add the Address Lists role to a role group (for example, to the Organization Management role group).
Directory Update is a "self-service" web application that allows a user to update their own information in the Active Directory and thus in the Global Address List (GAL).The Generating Mailbox parameter specifies the arbitration mailbox where the OAB is generated.Specifically, the arbitration mailbox must contain the Organization Capability OABGen value for the Persisted Capability property.Microsoft Tools | Code Samples | Third-party Tools Directify gives the typical end user the ability to update their directory information (telephone number, office location etc) using their web browser browser.Object creation as well as updating group membership is possible as well. IMI GAL Modify is a small utility for Exchange Admin to modify the Mailbox attributes on MS Exchange Server 5.5.