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Assume that you log on to Microsoft Outlook Web App in Windows Internet Explorer 9 in a Microsoft Exchange Server 2013 environment. When you frequently refresh Internet Explorer 9, the memory usage of Internet Explorer 9 increases quickly. Then, Internet Explorer 9 freezes.

Note This issue does not occur in later versions of Internet Explorer or in an Exchange Server 2010 environment.


This issue occurs because a memory leak occurs in Outlook Web App when you use Internet Explorer 9.


To resolve this issue, install the following cumulative update:

2892464 Description of Cumulative Update 3 for Exchange Server 2013


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

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