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ITsVISTA KB-Link: KB950851

Applications or services that call the “CVdsService::Reenumerate” function may receive incorrect results in Windows Server 2008 and in Windows Vista SP1

In Windows Server 2008 and in Windows Vista Service Pack 1 (SP1), applications or services that call the CVdsService::Reenumerate function to rescan logical unit number (LUN) objects may receive incorrect results.

For example, an application breaks a LUN object mirror, masks one plex, and then unmasks the plex to another computer. After the application performs the unmasking action, the application calls the CVdsService::Reenumerate function to rescan LUN objects. Because of this issue, the plex does not appear on the expected computer, and an exception occurs.

There is a download that resolves this issue. See Hotfixes for details.
32-bit Download: Contact Microsoft
64-Bit Download: Contact Microsoft

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB950851.

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