The 2009 update package for the Japanese postal code dictionary in the Japanese Input Method Editor is now available for Windows Vista and for Windows Server 2008
This article describes an update package for the Japanese Input Method Editor (IME) in Windows Vista and in Windows Server 2008. This package uses the postal code information that was released in September 2009 to update the Japanese postal code dictionary. The update information is based on data that is published by Japan Post Holdings Co., Ltd.
Note: The IME postal code dictionary converts postal codes to addresses.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB977747.