Maximum number of Simultaneous Mailbox Connections for the Exchange 2010 environment

**Maximum number of Simultaneous Mailbox Connections for the Exchange 2010 environment**

Below are the maximum number of simultaneous connections you can have to a single mailbox on the hosted exchange 2010 platform.

  • Outlook Application Max Concurrency        : 20
  • Outlook Web Access Max Concurrency        : 15
  • ActiveSync Max Concurrency        : 10
  • IMAP Max Concurrency       : 20
  • POP Max Concurrency        : 20
  • Mac Outlook Max Concurrency        : 10

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