Assume that a calendar contains some recurring meetings or appointments in a Microsoft Exchange Server 2010 environment. Additionally, assume that you try to change a single item in a series of recurring calendar items (for example, you change the recurring range of a single item), or you try to publish the calendar's free/busy data. In this scenario, the Microsoft Exchange Mailbox Assistants service (MSExchangeMailboxAssistants.exe) crashes on the Exchange Server 2010 Mailbox server.
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