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Exchange Server 2019 articles, fixes and updates - Year 2020
Daily Updated!
This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Exchange Server 2019 that have been released in Year 2020. The list is daily updated.
- 4583545 Make DomainName in Authserver a multivalued parameter in Exchange Server 2019 and 2016 Q4583545 KB4583545 December 15, 2020
- 4583544 Lots of LDAP requests for FE MAPI w3wp lead to DDoS on DCs in Exchange Server 2019 Q4583544 KB4583544 December 15, 2020
- 4583542 Server assisted search in Outlook doesn't return more than 175 items in Exchange Server 2019 Q4583542 KB4583542 December 15, 2020
- 4583539 Non-breaking space is visible in message body in Outlook in Exchange Server 2019 and 2016 Q4583539 KB4583539 December 15, 2020
- 4583538 Microsoft Teams REST calls exceed the default value of maxQueryStringLength in Exchange Server 2019 and 2016 Q4583538 KB4583538 December 15, 2020
- 4583537 Update Korean word breaker in Exchange Server 2019 and 2016 Q4583537 KB4583537 December 15, 2020
- 4583536 Set-MailboxFolderPermission is included in Mail Recipient Creation in Exchange Server 2019 and 2016 Q4583536 KB4583536 December 15, 2020
- 4583535 New-Moverequest, Resume-Moverequest, and Remove-Moverequest not logged in Audit logs in Exchange Server 2019 and 2016 Q4583535 KB4583535 December 15, 2020
- 4583534 Event ID 65535 System.Runtime.Serialization errors in Application log in Exchange Server 2019 or 2016 Q4583534 KB4583534 December 15, 2020
- 4583533 Exchange Server 2019 or 2016 installation fails with error "The user has insufficient access rights" Q4583533 KB4583533 December 15, 2020
- 4583532 ELC MRM archiving fails due to DomainName in AuthServer in Exchange Server 2019 and 2016 Q4583532 KB4583532 December 15, 2020
- 4583531 Design change about inline images will be forced to download but not open in a new tab of OWA in Exchange Server 2019 and 2016 Q4583531 KB4583531 December 15, 2020
- 4559444 Conversion from HTML to RTF removes non-breaking space in Exchange Server 2019 and 2016 Q4559444 KB4559444 December 15, 2020
- 4593465 Description of the security update for Microsoft Exchange Server 2019 and 2016: December 8, 2020 Q4593465 KB4593465 December 8, 2020
- 4583653 September 2020 update to Exchange Hybrid Configuration Wizard Q4583653 KB4583653 November 26, 2020
- 4588741 Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: November 10, 2020 Q4588741 KB4588741 November 10, 2020
- 4588297 Attachments can’t be downloaded or previewed from Outlook Web App Q4588297 KB4588297 October 22, 2020
- 4581424 Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: October 13, 2020 Q4581424 KB4581424 October 22, 2020
- 4571787 Cumulative Update 7 for Exchange Server 2019 Q4571787 KB4571787 September 29, 2020
- 4556415 Cumulative Update 6 for Exchange Server 2019 Q4556415 KB4556415 September 22, 2020
- 4576652 Updates for Exchange Server 2019 Sizing Calculator version 10.5 Q4576652 KB4576652 September 15, 2020
- 4576651 Can't join Teams meetings from Surface Hub devices after installing Exchange Server 2019 CU5 or Exchange Server 2016 CU16 Q4576651 KB4576651 September 15, 2020
- 4576650 Can't add remote mailbox when setting email forwarding in Exchange Server 2019 or 2016 Hybrid environment Q4576650 KB4576650 September 15, 2020
- 4576649 System.InvalidCastException when you change passwords in Outlook on the web in Exchange Server 2019 and 2016 Q4576649 KB4576649 September 15, 2020
- 4570255 NullReferenceException occurs when you run TestFederationTrust in Exchange Server 2019 and 2016 Q4570255 KB4570255 September 15, 2020
- 4570254 MSExchangeMapiMailboxAppPool causes prolonged 100% CPU in Exchange Server 2019 and 2016 Q4570254 KB4570254 September 15, 2020
- 4570253 CompletedWithErrors without details for mailbox migration batches in Exchange Server 2019 and 2016 Q4570253 KB4570253 September 15, 2020
- 4570252 Intermittent poison messages due to NotInBagPropertyErrorException in Exchange Server 2019 and 2016 Q4570252 KB4570252 September 15, 2020
- 4570251 Inbox rule applying a personal tag doesn't stamp RetentionDate in Exchange Server 2019 and 2016 Q4570251 KB4570251 September 15, 2020
- 4570248 Get-CASMailbox uses wrong LDAP filter for ECPEnabled in Exchange Server 2019 and 2016 Q4570248 KB4570248 September 15, 2020
- 4570247 CSV log of Discovery export fails to properly escape target path field in Exchange Server 2019 and 2016 Q4570247 KB4570247 September 15, 2020
- 4570246 EdgeTransport crashes with Event ID 1000 (exception code 0xc00000fd) in Exchange Server 2019 and 2016 Q4570246 KB4570246 September 15, 2020
- 4570245 ESEUtil /p fails if any long value (LV) is corrupted in Exchange Server 2019 and 2016 Q4570245 KB4570245 September 15, 2020
- 4563416 Can't view Online user free/busy status in Exchange Server 2019 and 2016 Q4563416 KB4563416 September 15, 2020
- 4577352 Description of the security update for Microsoft Exchange Server 2019 and 2016: September 8, 2020 Q4577352 KB4577352 September 8, 2020
- 4577438 Autodiscover v2 returns InternalURL not ExternalURLs in other site Q4577438 KB4577438 September 1, 2020
- 2961741 Exchange Server delegated setup fails when the setup account is a member of Domain Admins Q2961741 KB2961741 August 13, 2020
- 4513500 Can't sign in to OWA or EAC after you install Exchange Server 2019 CU2 with AD FS Q4513500 KB4513500 July 30, 2020
- 4569834 Admin search with date string yields unexpected results or no result Q4569834 KB4569834 July 6, 2020
- 4559435 Introduce an OrganizationConfig flag to enable or disable recipient read session in Exchange Server 2019 and 2016 Q4559435 KB4559435 June 28, 2020
- 4559446 Changes to Outlook on the web blocked file extensions and MIME types in Exchange Server 2019 and 2016 Q4559446 KB4559446 June 16, 2020
- 4559443 Managed Folder Assistant fails with Event ID 9004 NotInBagPropertyErrorException in Exchange Server 2019 and 2016 Q4559443 KB4559443 June 16, 2020
- 4559442 2080 Events caused by empty values in HKLM\SYSTEM\CurrentControlSet\Services\MSExchange ADAccess\Instance0 in Exchange Server 2019 and 2016 Q4559442 KB4559442 June 16, 2020
- 4559441 Foreign language characters set in RejectMessageReasonText of a transport rule aren't shown correctly in Exchange Server 2019 and 2016 Q4559441 KB4559441 June 16, 2020
- 4559440 Export to a PST for an eDiscovery search fails in Exchange Server 2019 and 2016 Q4559440 KB4559440 June 16, 2020
- 4559439 EAS creates failure report if a message with unknown recipients is in Drafts in Exchange Server 2019 and 2016 Q4559439 KB4559439 June 16, 2020
- 4559438 Edge Transport server hangs in Exchange Server 2019 and 2016 Q4559438 KB4559438 June 16, 2020
- 4559437 PR_RECIPIENT_ENTRYID is computed if no email address or type in Exchange Server 2019 and 2016 Q4559437 KB4559437 June 16, 2020
- 4559436 Attachments with properties (like Azure Information Protection labels) don't always match in Exchange Server 2019 and 2016 Q4559436 KB4559436 June 16, 2020
- 4549689 HMA EvoSTS certificate rollover causes authentication prompts due to stalled key on worker process spawn (warmup phase) in Exchange Server 2019 and 2016 Q4549689 KB4549689 June 16, 2020
- 4547707 Enable piping for Restore-RecoverableItems in Exchange Server 2019 and 2016 Q4547707 KB4547707 June 16, 2020
- 3035227 Some Android devices do not redirect to Exchange Online Q3035227 KB3035227 May 31, 2020
- 4471391 Cumulative Update 1 for Exchange Server 2019 Q4471391 KB4471391 May 21, 2020
- 4509408 Description of the security update for Microsoft Exchange Server 2019: July 9, 2019 Q4509408 KB4509408 April 16, 2020
- 3195087 Messages aren't evenly distributed if BasicAuth or BasicAuthRequireTLS is used in Exchange Server 2019, 2016, or 2013 Q3195087 KB3195087 April 3, 2020
- 4523519 Set-SendConnector doesn't work for Exchange Server in hybrid scenarios with Edge Server installed Q4523519 KB4523519 April 2, 2020
- 4019802 The Exchange Edge Transport server version is incorrect in EAC or ECP after upgrade Q4019802 KB4019802 April 2, 2020
- 4537677 Cumulative Update 5 for Exchange Server 2019 Q4537677 KB4537677 April 1, 2020
- 4552472 Exchange Server 2019 Sizing Calculator version 10.4 is available Q4552472 KB4552472 March 17, 2020
- 4547723 Can't sign in to Office 365 if configuring hybrid with Chrome SameSite Cookie enabled in Exchange Server 2019 and 2016 Q4547723 KB4547723 March 17, 2020
- 4547722 Can’t go from Office 365 to Enterprise in Exchange Server 2019 or 2016 Exchange admin center (EAC) if Chrome SameSite Cookie is enabled Q4547722 KB4547722 March 17, 2020
- 4547721 Exchange Sizing Calculator still supports mail.que database over 2 TB in Exchange Server 2019 Q4547721 KB4547721 March 17, 2020
- 4547720 Partial word searches not working for mailboxes in Outlook online mode in Exchange Server 2019 Q4547720 KB4547720 March 17, 2020
- 4547719 MCDB status is "Offline" and SSDs are not formatted in Exchange Server 2019 Q4547719 KB4547719 March 17, 2020
- 4547715 New created search folder retention policy is changed in Exchange Server 2019 or 2016 Q4547715 KB4547715 March 17, 2020
- 4547714 Can't add remote shared mailbox by using ECP into distribution group in Exchange Server 2019 and 2016 hybrid environment Q4547714 KB4547714 March 17, 2020
- 4547713 IsOnlineMeeting is always false for Teams-only meetings in Exchange Server 2019 and 2016 Q4547713 KB4547713 March 17, 2020
- 4547712 Outlook on the web (OWA) exposes junk operations even if disabled via OwaMailboxPolicy in Exchange Server 2019 and 2016 Q4547712 KB4547712 March 17, 2020
- 4547711 Public folder permissions aren’t applied from Outlook in Exchange Server 2019 or 2016 hybrid environment Q4547711 KB4547711 March 17, 2020
- 4547710 New-MailboxSearch with In-Place Hold enabled replaces all values in msExchUserHoldPolicies if adding a value in Exchange Server 2019 and 2016 Q4547710 KB4547710 March 17, 2020
- 4547709 InternetWebProxyBypassList is ignored by Mailbox Replication service in Exchange Server 2019 and 2016 Q4547709 KB4547709 March 17, 2020
- 4547708 Elevation of privileges possible when Active Directory permissions role is granted in Exchange Server 2019 and 2016 Q4547708 KB4547708 March 17, 2020
- 4547706 Birthday isn't correctly synced to iOS native mail app in Exchange Server 2019 and 2016 Q4547706 KB4547706 March 17, 2020
- 4547705 Authentication loop between msft.sts.microsoft.com/adfs and OWA in Exchange Server 2019 and 2016 Q4547705 KB4547705 March 17, 2020
- 4538303 Exchange 2019 Setup Prerequisite Check fails for .NET 4.8 Framework in CU4 on Windows builds 1909 and 1903 Q4538303 KB4538303 March 17, 2020
- 4536552 Export-ModernPublicFolderStatistics.ps1 is not working in Exchange Server 2019 Q4536552 KB4536552 March 17, 2020
- 4540123 Description of the security update for Microsoft Exchange Server 2019 and 2016: March 10, 2020 Q4540123 KB4540123 March 10, 2020
- 4456247 StoreDriver.config validation fails then meeting reminder can't be set to "None" in Exchange Server 2016 or 2019 Q4456247 KB4456247 February 24, 2020
- 4522149 Cumulative Update 4 for Exchange Server 2019 Q4522149 KB4522149 February 19, 2020
- 4536987 Description of the security update for Microsoft Exchange Server 2019 and 2016: February 11, 2020 Q4536987 KB4536987 February 11, 2020