Notice
This update is no longer available. To fix the issues that are described in this article, install the latest Microsoft Exchange Server update from the following Microsoft Learn article:
Exchange Server build numbers and release dates
Microsoft provides download files only for N-2 versions for an Exchange Server cumulative update (CU), where "N" is the latest CU. The latest CU can be used to recover servers that are running Exchange Server. This includes servers that have a previous CU installed.
Summary
Cumulative Update 10 for Microsoft Exchange Server 2016 was released on June 19, 2018. 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.
This update also includes new daylight saving time (DST) updates for Exchange Server 2016. For more information about DST, see Daylight saving time help and support.
Issues that this cumulative update fixes
This cumulative update also fixes the issues that are described in the following Microsoft Knowledge Base articles:
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4056609 Event ID 4999 and mailbox transport delivery service won't start with Exchange Server 2016 CU7 installed
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4133605 Cmdlets to create or modify a remote shared mailbox in an on-premises Exchange environment
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4133620 "HTTP 500 due to ADReferralException" error when a user tries to view detail properties of mailboxes in a child domain in Exchange Server
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4095974 "System.InvalidOperationException" occurs when the "Enable-MailPublicFolder" cmdlet is run against a public folder in Exchange Server
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4095973 Set-ServerComponentState cmdlet does not honor the write scope defined in the RBAC management scope in Exchange Server
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4095993 HTTP 500 error when an administrator tries to manage regional settings in ECP on Windows Server 2016
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4294209 Cannot clear the “Maximum message size” check box for Send messages or Receive messages in EAC in Exchange Server 2016
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4294208 "TooManyObjectsOpenedException" error when you run the "Get-PublicFolderMailboxDiagnostics" cmdlet in Exchange Server
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4294212 Cannot send VBScript-created messages in the Outlook 2016 client
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4294211 Cannot run “Set-CalendarProcessing” cmdlets after you apply CU8 or CU9 for Exchange Server 2016
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4294210 Cannot edit an email attachment in OWA in an Exchange Server 2016 environment
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4294204 Changing "IsOutOfService" to "False" in an earlier Exchange Server version does not immediately update in a later Exchange Server environment
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4092041 Description of the security update for Microsoft Exchange Server 2013 and 2016: May 8, 2018
Known issues in this cumulative update
After you install Cumulative Update 10 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:
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Open the invitation from the Notifications pane in OWA.
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Add the shared calendar manually in OWA.
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Open the invitation in Outlook, and then add the shared calendar.
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.
