Microsoft KB Archive/824113

= You can use Windows Management Instrumentation to mail-disable a MAPI public folder in a mixed-mode Exchange organization =

Article ID: 824113

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition

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SYMPTOMS
You may find that you can use Windows Management Instrumentation (WMI) to mail-disable a MAPI public folder on your Microsoft Exchange Server 2003 computer in a mixed-mode environment. It is expected that you cannot mail-disable MAPI public folders in a mixed-mode Exchange environment.



CAUSE
This problem occurs because WMI incorrectly reads the IsMailEnabled property. In a mixed-mode Exchange environment, this property is typically blocked, and changes are not permitted.

In a mixed-mode Exchange environment, the user interface does not allow you to mail-disable MAPI public folders (the public folders under the MAPI folder tree). In WMI, there is a public folder provider with the class Exchange_PublicFolder. This class has a Boolean property named IsMailEnabled that tells you if a public folder is mail-enabled. This property is read/write, but if Exchange is in mixed mode, it is expected that you cannot mail-disable a MAPI public folder by using the property. However, with WMI, this property has not been blocked, and therefore you can mail-disable MAPI public folders in a mixed-mode Exchange environment by using the IsMailEnabled property in the Exchange_PublicFolder class.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbpending kbbug KB824113

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