"Cannot open this item" error message in Outlook online mode in an Exchange Server 2007 environment

Symptoms

Consider the following scenario:

You set the Exchange Auditing logging level on a Microsoft Exchange Server 2007 server to a value other than�Lowest. For example, you set the Exchange Auditing logging level �to�Low, or to High.
You try to open an email message that does not have�the�PR_INTERNET_MESSAGE_ID�property set by using Microsoft Office Outlook in online mode.

In this scenario, you receive the following error message:

Cannot open this item.

Notes

You cannot open the same email message by using a MAPI application, such as Microsoft Exchange Server MAPI Editor (MFCMAPI).
This issue usually occurs when you try to open an archived email message.

This issue occurs because the Store.exe process incorrectly returns the "MAPI_E_NOT_FOUND" error when it audits the email message.

To resolve this issue, install the following update rollup:

2509911� Description of Update Rollup 4 for Exchange Server 2007 Service Pack 3

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

For more information about how to change Exchange Auditing logging levels, visit the following Microsoft website:

For more information about the mailbox Access Auditing, visit the following Microsoft website:

For more information about MFCMAPI, visit the following Microsoft website:

Keywords: KB2507374, kbhotfixrollup, kbexpertiseinter, kbsurveynew, kbfix, kbqfe

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