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The solution approach is to use Client Access Server role with web based distribution.Ħ.
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OAB files are generated in Exchange 2010 Mailbox servers and outlook do not connect directory to the mailbox servers. OAB files in the mailbox server are compressed file with the extension. OABGen communicates with the active directory and generates the address book for all the mailboxes, contacts and other exchange resources in the Exchange organization.Ĥ. All OAB Generated file by default will be located at path “\Program Files\Microsoft\Exchange Server\V14\ExchangeOAB”.ģ. OABGen service is part of the System Attendant Service. OABGen service running on the mailbox server helps to generate, creates and updates OAB files. (generally moved to different server later point)Ģ. First Mailbox Server in the Organization is identified as OAB Generation Server. This virtual directory is created on default website in IIS and configured for Internal Access.īefore we configure Multiple OAB lets try to understand how OAB generation and web-distribution works together and how outlook downloads the OAB to its client machine.ġ. The OAB is virtual directory in the client access server. Web-based distribution supports more clients, consumes less bandwidth. Web-based distribution is the most effective and stable way to create, configure and download OAB. Microsoft Introduced the concept of Web-based distribution point from Exchange 2007, it has various advantages over legacy public folder distribution, thought its still supported. OAB Version 4 was introduced in Exchange 2003 sp2 and same is still continued in Exchange 2007 and Exchange 2010. OAB has evolved thought various versions like OAB Version2, OAB Version 3 and now its OAB Version4. The main use of offline address book is to allow access address book when the users are disconnected from the network or when they are working offline/cached mode.
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What is offline address book? Its a copy of address book that allow us to download via outlook client.
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