Exchange 2013 Cumulative Update 20 Released!

By |2018-04-12T11:08:18+00:00April 12th, 2018|Exchange|0 Comments

Just to let you know Exchange 2013 CU20 has been released!

You can download the rollup from

Issues Resolved by CU

  • KB4073392 – Description of the security update for Microsoft Exchange: March 13, 2018
  • KB4073094 – Emails outside a UID range are returned when you request for emails by using IMAP
  • KB4073097 – Monitoring probes of ECP.Proxy health checks fail on all CAS roles in Exchange Server 2013 and 2016
  • KB4057216 – Health mailbox’s password is exposed in logs for a failed probe in Exchange Server 2016 and 2013
  • KB4058384 – Get-CalendarDiagnosticAnalysis shows DateTime in 12-hour clock in Exchange Server 2016 and 2013
  • KB4057290 – Incorrect user is returned in the ECP when one user’s display name matches another user’s alias
  • KB4055433 – User is added to an entire series when accepting a single instance through Exchange ActiveSync
  • KB4058401 – Administrator audit logging does not record Set-ServerComponentState cmdlet details in Exchange Server 2013 or 2016 environment
  • KB4073095 – “550 5.6.0 CAT.InvalidContent.Exception” and email isn’t delivered in Exchange Server 2016 and 2013
  • KB4058379 – All cross-forest meeting updates have to be accepted again in Exchange Server 2016 and 2013
  • KB4073093 – Save issues occur when you use the plain Text Editor in OWA of Exchange Server 2013
  • KB4073096 – Emails sent from a shared mailbox aren’t saved in Sent Items when MessageCopyForSentAsEnabled is True

You can find out more information in regards to this CU at

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