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June 16, 2020 The Exchange Team released the quarterly Cumulative Updates for Exchange Server 2019 as well as Exchange 2016.
Like the previous two Cumulative Update s, these require.
NET Framework 4.8.

Apart from fixes as well as security updates included from the previous CU

these update contain the following changes for both builds: Added additional file types to default OWA Mailbox Policy for Blocked File Extensions.
More information in KB4559446.

Added support to Restore-RecoverableItems for easier usage

More details in KB4547707.
VersionBuildKBDownloadUMLPSchemaExchange 2019 CU615.2.659.4KB4556415VLSC NExchange 2016 CU1715.1.2044.4KB4556414DownloadUMLPN Exchange 2019 CU6 fixes: Foreign language characters set in RejectMessageReasonText of a transport rule aren’t shown correctly in Exchange Server 2019.

Enable piping for Restore-RecoverableItems in Exchange Server 2019

HMA EvoSTS certificate rollover causes authentication prompts due to stalled key on worker process spawn (warmup phase) in Exchange Server 2019.
Changes to Outlook on the web blocked file extensions and MIME types in Exchange Server 2019.

Export to a PST for an eDiscovery search fails Exchange Server 2019

EAS creates failure report if a message with unknown recipients is in Drafts in Exchange Server 2019.
4559442 2080 Events caused by empty values in HKLM\SYSTEM\CurrentControlSet\Services\MSExchange ADAccess\Instance0 in Exchange Server 2019.
Edge Transport server hangs in Exchange Server 2019.
Managed Folder Assistant fails with Event ID 9004 NotInBagPropertyErrorException in Exchange Server 2019.

PR_RECIPIENT_ENTRYID is computed if no email address or type in Exchange Server 2019

Conversion from HTML to RTF removes non-breaking space in Exchange Server 2019

Attachments with properties (like Azure Information Protection labels) not always matching in Exchange Server 2019.
Introduce an OrganizationConfig flag to enable or disable recipient read session in Exchange Server 2019.
Exchange 2016 CU17 fixes: Conversion from HTML to RTF removes non-breaking space in Exchange Server 2016.
Introduce an OrganizationConfig flag to enable or disable recipient read session in Exchange Server 2016.

Enable piping for Restore-RecoverableItems in Exchange Server 2019 and 2016

Attachments with properties (like Azure Information Protection labels) don’t always match in Exchange Server 2016.

PR_RECIPIENT_ENTRYID is computed if no email address or type in Exchange Server 2016

Edge Transport server hangs in Exchange Server 2016

EAS creates failure report if a message with unknown recipients is in Drafts in Exchange Server 2016.

Export to a PST for an eDiscovery search fails in Exchange Server 2016

Foreign language characters set in RejectMessageReasonText of a transport rule aren’t shown correctly in Exchange Server 2016.
4559442 2080 Events caused by empty values in HKLM\SYSTEM\CurrentControlSet\Services\MSExchange ADAccess\Instance0 in Exchange Server 2016.
HMA EvoSTS certificate rollover causes authentication prompts due to stalled key on worker process spawn (warmup phase) in Exchange Server 2016.
Managed Folder Assistant fails with Event ID 9004 NotInBagPropertyErrorException in Exchange Server 2016.
Changes to Outlook on the web blocked file extensions and MIME types in Exchange Server 2016.
When upgrading from an n-2 or earlier version of Exchange, or an early version of the.
NET Framework, consult.
If you want to speed up the update process for systems without internet access, you can follow the procedure described to disable publisher’s certificate revocation checking.
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This entry was posted in , , and tagged CU, , , , by Michel de Rooij.
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About Michel de Rooij.
I’m a Microsoft Office Apps and Services MVP, with focus on Exchange Server, Office 365 and with a PowerShell affection.
I’m is a consultant, publisher of EighTwOne, published author, and speaker.
You can find me on Twitter, LinkedIn, Facebook.
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