Offline address book not updating 2016

Due to various synching schedules, it can take up to 48 hours before you could actually see a change in Outlook after a modification has been made on the Exchange server or in Active Directory.In this guide, the relevant timings are explained and instructions are given in how you can directly force an update and resync, which can be very handy when troubleshooting or when you work in an Exchange environment which sees a lot of user mailbox mutations.

This situation however is extremely rare since the default maintenance time on Exchange is at AM and updates and downloads are usually performed during working hours.PNG It has been like this for a while now and hasn't error-ed out yet so I don't have an error message to go by.In Exchange 2010 I seem to remember restarting a service, but I cant see any address book services in Exchange 2016 to restart!In a later section, it is explained how to modify this.There are various Registry settings available to control or modify the update and download behavior of the Offline Address Book in Outlook.