Exchange 2013: Health Manager service may not reliably start after server boot.

In Exchange 2013 we have introduced managed availability.  The managed availability process runs within the Microsoft Exchange Health Manager service (MSExchangeHMHost.exe).   After booting a server it has been observed that the Microsoft Exchange Health Manager service fails to start automatically.  Attempts to start the service manually are successful.  When reviewing the system log the…

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Office365: POP and IMAP clients receive OWA links for calendar invitations

As you may know, Office 365 supports a number of different client protocols, including POP and IMAP and a variety of POP and IMAP clients. By default, POP or IMAP clients will be configured to use Outlook Web App (OWA) for handling calendar invitations. When these clients receive a meeting request, within the body of…

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Exchange 2013 Cumulative Update 2 – Where are my databases?

In Exchange Server 2013 Cumulative Update 2 (CU2) we introduced support for a maximum of 100 mounted mailbox databases per server (active or passive) when an Enterprise Edition license is applied.  This was an increase from Exchange Server 2013 RTM and Exchange Server 2013 Cumulative Update 1 (CU1).   It has been recently discovered that…

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