In this video we show you how to work with the Exchange Management Shell (EMS) to run the command to update all offline address books as well as individual ones and we explain why we would do this as Exchange only runs a task once daily to update OAB's.
1. Launch Exchange Management Shell
Click on Start and then expand Exchange Server 2019 and right click on the Exchange Management Shell and select "Run as Administrator"
2. Type in command
Type in the command: Get-offlineAddressbook | Update-OfflineAddressbook