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Cumulative Update 10 for Exchange Server 2019

Microsoft released Cumulative Update 10 for Exchange Server 2019 (KB5003612) on June 29, 2021. Also known as Exchange Server 2019 CU10. 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 2019.

How to update Exchange Server 2019 to CU10?

It’s recommended to update the Exchange Server in the lab environment before updating it in the production environment.

  1. Download Cumulative Update CU10 for Exchange Server 2019 (KB5003612)
  2. Update to Microsoft .NET Framework 4.8
  3. Install Cumulative Update Exchange 2019

Cumulative Update CU10 for Exchange Server 2019 is released as version 15.02.0922.007. Which version are you running now? Read more on how to find your Exchange version build number.

Cumulative Update 10 for Exchange Server 2019 download

Known issues in Cumulative Update 10

This Cumulative Update fixes the issues that are described in the following Microsoft Knowledge Base articles:

  • 5004612 Message body not displayed in OWA if the message was added in Outlook to a new mailbox
  • 5004613 OutOfMemory exception when moving a public folder that has a large ICS sync state
  • 5004614 Korean text is garbled in calendar invitation to a user with a Chinese display name
  • 5004615 “InvalidOperationException” and Store Worker process crashes during mailbox move
  • 5004616 Changing the email address in EAC doesn’t work in modern browsers
  • 5004617 TLS 1.2 is not set as default after you install Exchange 2019 with Edge Transport role
  • 5004618 MSExchangeMailboxAssistants 4999 Crash in ELCAssistant.InvokeInternalAssistant with System.NullReferenceException
  • 5004619 Mailbox creation through ECP fails after installing Exchange Server 2019 or 2016 April update
  • 5004622 “Cannot Send Mail – Your mailbox is full” error when you use iPhone mail to send very large attachments
  • 5004623 PrepareADSchema required because of Active Directory schema change

File hash information

  • File name: ExchangeServer2019-x64-cu10.iso
  • SHA256 hash: A5ABE84FDF53750D631CB4064CAE5E84C293EAD8B94367826925B90BEE6C1EAF
ALI TAJRAN

ALI TAJRAN

ALI TAJRAN is a passionate IT Architect, IT Consultant, and Microsoft Certified Trainer. He started Information Technology at a very young age, and his goal is to teach and inspire others. Read more »

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