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Practical 365

You are here: Home / Blog / June 2017 Updates Released for Exchange Server

June 2017 Updates Released for Exchange Server

June 28, 2017 by Paul Cunningham 1 Comment

Microsoft has announced the latest quarterly updated for Exchange Server 2016 and 2013.

  • Cumulative Update 6 for Exchange Server 2016 (download | UM language packs)
  • Cumulative Update 17 for Exchange Server 2013 (download | UM language packs)

For Exchange Server 2016 this release includes the following improvements for on-premises customers:

  • Sent items behavior control (previously available only in Exchange Online)
  • Original item recovery (announced earlier this month for Exchange Online)

Those changes do not apply to Exchange Server 2013. From Microsoft’s blog post:

These features are targeted to Exchange Server 2016 only and will not be included in Exchange Server 2013. Exchange Server 2013 already has its own implementation of Sent Items Behavior Control which is different than the version we are releasing today. The Cumulative Update 6 behavior is more closely aligned with how this worked in Exchange Server 2010. Due to architectural differences, the configuration of this feature is not retained if mailboxes are moved between Exchange Server 2010 and Exchange Server 2016 or between Exchange Server 2013 and Exchange Server 2016.

Microsoft also shared progress on two other matters:

  • Support for TLS 1.2 is described as “improved”, but Microsoft is not ready to recommend deprecating TLS 1.0 and 1.1 yet.
  • .NET 4.7 compatibility testing is progressing well with no issues found so far, but they are not ready yet to declare .NET 4.7 supported for Exchange servers.

ADDITIONAL INFORMATION

  • Best Practices: Keeping Exchange Servers Updated
  • FAQ: In What Order Should You Install Service Packs, Update Rollups, and Cumulative Updates?
  • Installing Cumulative Updates on Exchange Server 2016
  • Installing Cumulative Updates on Exchange Server 2013

Blog .NET Framework, Cumulative Updates, Exchange Server, TLS

Comments

  1. George Schneider says

    August 7, 2017 at 11:30 pm

    Is anyone aware of a reported issue after updating to Exchange CU6 and an issue with disabling and enabling existing transport rules. I’m seeing the following in both ECP and EMS.

    Software\Microsoft\MSIPC\CurrentVersion not found

    The work around I’ve been using is to delete and recreate any rules that need to be disabled and later enabled.

    The following two links seem to suggest this could be a potential bug in CU6

    https://blogs.technet.microsoft.com/rmilne/2017/06/27/exchange-2016-cu6-released/
    https://social.technet.microsoft.com/Forums/windowsserver/en-US/aba09d74-abab-4d46-8ee9-0f537734cb81/cant-enable-transport-rules-exchange-2016-cu6?forum=Exch2016Adm

    Reply

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