环境：Exchange2007

原因：OAB（脱机通讯簿）没有及时更新

解决：

1,exchange->Organization Configuration –>Mailbox->OAB –>Properties –>AddressLists->看是否勾选default Global Address List

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2，点击Distribution，看是否开启了web-based distribution

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3,Update OAB

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4,Wait for a moment, Try on Outlook!