Cumulative Update 8 for Exchange Server 2016

Applies to: Exchange Server 2016 Enterprise EditionExchange Server 2016 Standard Edition

Cumulative Update 8 for Microsoft Exchange Server 2016 was released on December 19, 2017. This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These fixes will also be included in later cumulative updates for Exchange Server 2016

Issues that this cumulative update fixes


This cumulative update adds support for .NET Framework 4.7.1. This cumulative update also fixes the issues that are described in the following Microsoft Knowledge Base articles:

  • 4056329 Can't access EWS from Outlook/OWA add-ins via makeEwsRequestAsync in Exchange Server 2016 and Exchange Server 2013
  • 4054516 "Your request can't" error when accessing an archive mailbox via OWA in Exchange Server 2016
  • 4055953 The recipient scope setting doesn't work for sibling domains in Exchange Server 2016
  • 4055435 No MAPI network interface is found after you install Exchange Server 2016 CU7
  • 4045655 Description of the security update for Microsoft Exchange: December 12, 2017
  • 4057248 Many Watson reports for StoragePermanentException in Exchange Server 2016

Get Cumulative Update 8 for Exchange Server 2016


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Notes

  • The Cumulative Update 8 package can be used to run a new installation of Exchange Server 2016 or to upgrade an existing Exchange Server 2016 installation to Cumulative Update 8.
  • You don't have to install any previously released Exchange Server 2016 cumulative updates or service packs before you install Cumulative Update 8.

Cumulative update information


Prerequisites

For more information about the prerequisites for the setup of Exchange Server 2016, see Exchange 2016 prerequisites.

Restart requirement

You may have to restart the computer after you apply this cumulative update package.

Registry information

You don't have to make any changes to the registry after you apply this cumulative update package.

Removal information

After you install this cumulative update package, you can't uninstall the package to revert to an earlier version of Exchange Server 2016. If you uninstall this cumulative update package, Exchange Server 2016 is removed from the server.

Known issues in this cumulative update


After you install Cumulative Update 8 for Exchange Server 2016, the Accept button disappears in the invitation email message of a shared calendar in Outlook Web App (OWA). Therefore, you cannot add the shared calendar by clicking the Accept button directly. To work around this issue, you can use one of the following methods:

More Information


For more information about the deployment of Exchange Server 2016, see Release notes for Exchange 2016.

For more information about the coexistence of Exchange Server 2016 and earlier versions of Exchange Server in the same environment, see Exchange 2016 system requirements.

For more information about other Exchange updates, see Exchange Server Updates: Build numbers and release dates.

References


Learn about the terminology that Microsoft uses to describe software updates.