Outlook public folders not updating
Users can recognize this because Outlook doesn’t respond correctly.
This can happen if one of the following tasks is being performed: Cached Exchange Mode i.c.w.
After that only incremental updates are downloaded from the address book.
The OAB is being downloaded once every 24 hours if the OAB contains new data.
Starting from Outlook 2010 Microsoft recommends to use Cached Exchange Mode.
When the autodiscover functionality of Exchange is being used you will see that the Cached Exchange Mode will be enabled by default. When using Outlook 2010 by default both the user mailbox and additional mailboxes are added to the cache. It is possible to add Public Folder favorites to the cache but in this case you will need to enable the option manually or via a GPO.
When you quit Outlook Windows Desktop Search won’t index the OST. Windows Desktop Search is that the requests will be processed locally instead of sending them to the Exchange Server.
If you choose to work in Online Mode make sure you are implementing Windows Desktop Search 4.0.
One of these things is the Outlook version that is in use.
If a user does make a change to the message it will be updated in the Information Store.
Because the properties of both messages are not the same this will result in conflicts.
This file is also known as the offline data file which can be recognized easily when looking at the extension which is OST.
By default the file is stored in The advantage of Cached Exchange Mode is that mailbox content is also available when you don’t have a connection to Exchange, excluded the new items which haven’t been cached.