Exchange Server 2019 articles, fixes and updates - letter C

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Exchange Server 2019 starts with letter C that have been released. The list is daily updated.

• 4488266 Client application doesn't honor EwsAllowList in Exchange Server 2019 and 2016 Q4488266 KB4488266 February 12, 2019
• 4471391 Cumulative Update 1 for Exchange Server 2019 Q4471391 KB4471391 February 12, 2019
• 2617816 Can't sign in to OWA or ECP if Exchange Server OAuth certificate is expired Q2617816 KB2617816 November 26, 2018