Outlook distribution list update not updating
I ran the commands you recommended and tried it about 4 hours after that. As another way to troubleshoot the problem, I created a new profile for Outlook.
There are various Registry settings available to control or modify the update and download behavior of the Offline Address Book in Outlook.
When the value is set to 0, Outlook will use 16 to prevent a “divide by 0” error.
If the key name doesn’t exist, Outlook uses a value of 8.
When you update an Offline Address Book on the Exchange server via the Exchange Management Console or the Exchange Management Shell, one would suspect that updating the Outlook client after that would directly get you this fully up-to-date copy. After the OAB gets updated on Exchange, it still needs to distributed to the web services first, even in a single server environment.
The process of updating and distributing the OAB is achieved by the following two schedules.