The size of each Offline Address Book in your Exchange organization.If you are using Offline Address Books you must be careful planning a possible impact in your Exchange Organization. Planning the Deployment of Offline Address Books
This is the default setting.Ģ – Download the offline address book in any download mode, but download a differential update in the Header only download mode.ģ – Always download the offline address book and a differential update in one of the following download modes: Download Headers and then Full Items, Download Full Items, and Download Headers.įigure 4: Download Offline Address Book feature in Outlook 2003 This setting can have the following values:Ġ – The offline address book does not download automatically.ġ – The offline address book uses the Download Full Items download mode. HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\11.0\Outlook\Cached Mode – New REG_DWORD – DownloadOAB. You can modify this behaviour by modifying the Registry on the Outlook Computer(s): This is useful in situations where the client is offline but can result in some confusion if the user uses Outlook 2003 in LAN environments and the Offline Address Book is not up to date. Outlook 2003 with Cached Mode enabled uses the Offline Address Book by default for all operations. Outlook 2003 with Cached Mode and the Offline Address Book Outlook checks the system periodically for new Offline Address Books and download the required files. Offline Address Book files are compressed before they are added to the Offline Address Book system folders. Exchange generates an Offline Address Book every night and places them into a special public folder (a system folder).
Outlook 2003 uses the Offline Address Book to provide offline access to the global address list or other address lists. Henrik Walther has written a great article about this helpful utility at You will find this article here. How the OABGEN process on the Exchange server connects to the public information store to recreate the Offline Address Book.How Microsoft Outlook 2003 connects to a public folder store to download the Offline Address Book.OABInteg simulates two processes related to Offline Address Books: OABInteg is a command line utility which can help you in troubleshooting OAB generation problems, and problems with Outlook clients that have problems with downloading an Offline Address Book from an Exchange Public Folder store. OAB 4.0 is only available if you use Outlook 2003 Service Pack 2.įigure 2: Location of Offline Address Book folders Has sort orders for ambiguous name resolution (ANR) and browse files.Uses a new Binpatch logic for applying multiple days worth the diff files.Generates local specific indexes based on the OAB.OAB v4 was designed to help remove some download issues with the OAB. When Outlook 2003 logs on to the Exchange Server it checks the existence of the OAB Version 3a folder and uses the Unicode files if they are available. These Offline Address Books are used by Outlook 2003. OAB Version 3a adds support for Unicode format. Offline Address Book v3a is stored in a system folder named OAB Version 3a. Changes between the last full download are saved in a file called Changes.oab.Įxchange Server 2003 introduces a new Offline Address Book format called Offline Address Book v3a. Outlook clients have only to download the delta changes since the last full download. Each object in the system folder represents a created Offline Address Book (depending on the interval of OAB generating). The OAB Version 2 folder contains Offline Address Books with ANSI characters and is used by Outlook 97 through 2003. Users who are working offline with their Outlook clients can use this global address while they are on the road.Īll Offline Address Lists are contained under CN=Offline Address Lists, CN=Address Lists Container,CN = in Active Directory.Įxchange Server 2003 has several different OAB formats: Offline Address Books typically contain at least one address list that represents the global address list (GAL). When an Administrator creates an Offline Address Book, the address list will be converted to a separate set of files and stored in an Exchange Public Folder. Users who work offline connect to Exchange Server computers and download Offline Address Lists to obtain information about other users in their organization. Outlook users can choose which offline address lists they want to download (Figure 4). Administrators can configure Offline Address Books (Figure 1) Let’s begin and start with some basics about Offline Address BooksĪn Offline Address Book is a container that stores a collection of Offline Address Lists.
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