August 2014 Entries
Exchange 2013 CU6 Issue

There’s an issue with CU6 for Exchange 2013 in coexistence mode with exchange 2007. Quite specifically if you have it installed you might experience unexpected database failovers if you have a delegate on 2007 attempting to open a 2013 mailbox.

The issue is known and an interim update should be getting released soon. The current work around is to disable MAPI access to the Exchange 2013 server and use OWA until the update is available.


Update 9/9/2014: A fix is available from Microsoft:

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Exchange updates released

Today we’ve witnessed yet another release cycle for Exchange 2013, 2010 as well as 2007.

  • Exchange Server 2007 SP3 RU14 (KB2936861)
  • Exchange Server 2010 SP3 RU7 (KB2961522)
  • Exchange Server 2013 CU6 (KB2961810)


Not only that but a number of blog posts specifying the improvements, most notably the increase in the Exchange 2013 Public folder supported folder limits (now a whopping 100 000!)





Remember, if you are in a hybrid scenario you’ll have to stay current with the update cycles so test these in your labs and start deploying!

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