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.
Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.