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Managing the Exchange 2007 Mailbox Server Role • Chapter 4 227
1. Click New Offl ine Address Book in the Action pane.
2. In the New Offl ine Address Book Wizard that appears, type a name for the OAB
(see Figure 4.59).
Figure 4.59 Creating a New Offl ine Address Book
228 Chapter 4 • Managing the Exchange 2007 Mailbox Server Role
3. Click the Browse button to specify the mailbox server that should be the OAB generation
server for this OAB, select the respective server, and click OK (see Figure 4.60).
Figure 4.60 Selecting the Mailbox Server
4. Now click the Add button, select the server address lists that should be included in the
OAB, and click Next.
Managing the Exchange 2007 Mailbox Server Role • Chapter 4 229
6. Click Next, then click New on the Confi guration Summary page (see Figure 4.62).
Figure 4.61 Specifying the Type of Distribution Point to Use
5. Choose whether you want to enable Web-based distribution or Public Folder distribution
or both. If you enable Web-based distribution, you also need to select the OAB virtual
directory in which this OAB should be stored (see Figure 4.61).
230 Chapter 4 • Managing the Exchange 2007 Mailbox Server Role
7. On the completion page click Finish.
When you have multiple OABs on a mailbox server, you can select the one that should be the
default (via the Action pane or associated context menu).
Since OABs relating to Outlook 2007 are downloaded using a Web-based distribution method,
you also have the option of specifying the internal URL (which refers to the URL from which
Outlook clients inside the corporate network can access the virtual directory) as well as the external
URL (which refers to the URL from which Outlook clients outside the corporate network can
access the directory) to the OAB Web site. This is not confi gured under the Mailbox node but by
taking the Properties page of OAB (the default Web site), which can be found under the Server
Confi guration work center, where you select the Client Access Server node (see Figure 4.63).
Figure 4.62 The New Offl ine Address Book Wizard Summary Page
Managing the Exchange 2007 Mailbox Server Role • Chapter 4 231
Figure 4.63 The URLs Tab of the Properties Page for OAB (Default Web Site)

TIP
When it comes to detailed information about OABs, one of the best resources on
the Internet is a blog run by Dave Goldman. Dave works as an Exchange Escalation
Engineer (EE) for Microsoft in North Carolina and is, among other things, the guy
behind the OABInteg tool, which is used to troubleshoot OAB issues. You can visit
Dave’s blog at />If you want to create a new OAB using the EMS, you can do so with the
New-Offl ineAddressBook CMDlet. For details about the necessary parameters,
type Get-Help New-Offl ineAddressBook.