Updating gal exchange 2016
Even though Outlook is the last in the chain, it is often the first level where the troubleshooting takes place as usually this is where the request is coming from.
And since this website’s main focus is on Outlook, it makes sense to start with Outlook as well ;-).
This cmdlet is available only in on-premises Exchange Server 2016.
Use the Update-Global Address List cmdlet to update the recipients included in a global address list (GAL).
For details, see the “Add a role to a role assignment policy” section of Manage role assignment policies.
To see what permissions you need, see the "Address lists" entry in the Email address and address book permissions topic.Step 3: The new version of the GAL will now be downloaded.A status window will open to indicate that the download is in progress and will close automatically when the download is complete.(This could take several minutes) Step 2: Uncheck the box next to Download changes since last Send/Receive.When changes occur within the main Global Address Book (GAL) on the Office 365, computers running Outlook 20/2016 may not automatically receive the updates.