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.

Issues that this cumulative update fixes

This cumulative update fixes the issues that are described in the following Microsoft Knowledge Base articles:

  • 4073392 Description of the security update for Microsoft Exchange: March 13, 2018

  • 4073094 Emails outside a UID range are returned when you request for emails by using IMAP

  • 4073097 Monitoring probes of ECP.Proxy health checks fail on all CAS roles in Exchange Server 2013 and 2016

  • 4057216 Health mailbox's password is exposed in logs for a failed probe in Exchange Server 2016 and 2013

  • 4058384 Get-CalendarDiagnosticAnalysis shows DateTime in 12-hour clock in Exchange Server 2016 and 2013

  • 4057290 Incorrect user is returned in the ECP when one user's display name matches another user's alias

  • 4055433 User is added to an entire series when accepting a single instance through Exchange ActiveSync

  • 4058401 Administrator audit logging does not record Set-ServerComponentState cmdlet details in Exchange Server 2013 or 2016 environment

  • 4073095 "550 5.6.0 CAT.InvalidContent.Exception" and email isn't delivered in Exchange Server 2016 and 2013

  • 4058379 All cross-forest meeting updates have to be accepted again in Exchange Server 2016 and 2013

  • 4073093 Save issues occur when you use the plain Text Editor in OWA of Exchange Server 2013

  • 4073096 Emails sent from a shared mailbox aren't saved in Sent Items when MessageCopyForSentAsEnabled is True

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