Exchange Server 2019 articles, fixes and updates - Year 2019

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 2019. The list is daily updated.

• 4490059 Reducing permissions required to run Exchange Server by using Shared Permissions Model Q4490059 KB4490059 February 13, 2019
• 4490060 Exchange Web Services Push Notifications can be used to gain unauthorized access Q4490060 KB4490060 February 12, 2019
• 4488398 "The Microsoft Exchange Replication service may not be running on server" error when you add a mailbox database copy in Exchange Server 2019 Q4488398 KB4488398 February 12, 2019
• 4488268 Disable the irrelevant Query logs that're created in Exchange Server 2019 and 2016 Q4488268 KB4488268 February 12, 2019
• 4488267 Test-OAuthConnectivity always fails when Exchange Server uses proxy to connect to Internet in Exchange Server 2019 and 2016 Q4488267 KB4488267 February 12, 2019
• 4488266 Client application doesn't honor EwsAllowList in Exchange Server 2019 and 2016 Q4488266 KB4488266 February 12, 2019
• 4488265 "There are problems with the signature" error occurs for digital signature message if attachment filtering is enabled in Exchange Server 2019 and 2016 Q4488265 KB4488265 February 12, 2019
• 4488264 Mailbox that has a bad move request can't be cleaned up from destination mailbox database in Exchange Server 2019 and 2016 Q4488264 KB4488264 February 12, 2019
• 4488263 X-MS-Exchange-Organization-BCC header isn't encoded correctly in Exchange Server 2019 and 2016 Q4488263 KB4488263 February 12, 2019
• 4488262 Delivery Reports exception when tracking a meeting request that's sent with a room resource in Exchange Server 2019 and 2016 Q4488262 KB4488262 February 12, 2019
• 4488261 Event ID 1002 when the store worker process crashes in Exchange Server 2019 and 2016 Q4488261 KB4488261 February 12, 2019
• 4488260 New-MailboxExportRequest and New-MailboxImportRequest don't honor RBAC management scope in Exchange Server 2019 and 2016 Q4488260 KB4488260 February 12, 2019
• 4488259 MailTip shows wrong number of users for a distribution group if the users are in different domains in Exchange Server 2019 and 2016 Q4488259 KB4488259 February 12, 2019
• 4488258 OAuth authentication is removed when you save MAPI virtual directory settings in EAC in Exchange Server 2019 and 2016 Q4488258 KB4488258 February 12, 2019
• 4488080 New-MigrationBatch doesn't honor RBAC management scope in Exchange Server 2019 and 2016 Q4488080 KB4488080 February 12, 2019
• 4488079 Exchange Server 2016 allows adding Exchange Server 2019 mailbox server into a same DAG and vice versa Q4488079 KB4488079 February 12, 2019
• 4488076 Outlook on the Web can't be loaded when users use an invalid Windows language in Exchange Server 2019 and 2016 Q4488076 KB4488076 February 12, 2019
• 4487602 Outlook for Mac users can still expand a distribution group when hideDLMembership is set to true in Exchange Server 2019 and 2016 Q4487602 KB4487602 February 12, 2019
• 4487596 Emails are blocked in moderator mailbox Outbox folder when you send large volumes of emails in Exchange Server 2019 and 2016 Q4487596 KB4487596 February 12, 2019
• 4487591 The recipient scope setting doesn't work for sibling domains when including OUs in the scope in Exchange Server 2019 and 2016 Q4487591 KB4487591 February 12, 2019
• 4471391 Cumulative Update 1 for Exchange Server 2019 Q4471391 KB4471391 February 12, 2019
• 4471389 Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: January 8, 2019 Q4471389 KB4471389 January 14, 2019