Symptoms

When Outlook Web App and the Exchange Web Services (EWS) application pools restart, and lots of accepted domains exist in Microsoft Exchange Server 2013, the application pools stay in a recycle state and consume a large amount of memory.

Resolution

To fix this issue, install Cumulative Update 15 for Exchange Server 2013 or a later cumulative update for Exchange Server 2013.

Status

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

References

Learn about the terminology that Microsoft uses to describe software updates.

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