Updating distribution list
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.
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.
When you have Cached Exchange Mode enabled, Outlook by will by default cache the main Global Address List as well.
This is called the Offline Address Book and is being generated on the Exchange server.
Key: All Users or any other object type such as All Contacts, All Groups or All Rooms.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.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 ;-).
Download and install the utility, then inspect your mail queues, monitor the Exchange server's memory, confirm there is enough disk space and check the CPU utilization. Solar Winds provides this fully-functioning freebie, as part of their commitment to supporting the network management community.