KB5057653: Fix of Journal message returns "ConversionFailedException"

Hotfix update for Exchange Server 2016 CU23 HU16: May 29, 2025 (KB5057653)

Applies To
Hotfix update for Microsoft Exchange Server 2016 CU23 HU16 was released on May 29, 2025. It includes fixes for non-security issues and introduces new features. These fixes and features will also be included in later cumulative updates for Exchange Server 2019.

Issues that this hotfix update fixes

• Journal message returns "ConversionFailedException"
• Calendar print doesn't work in OWA from Exchange 2019 CU14 onwards
• Edge Transport service stops responding after installing November 2024 SU or Exchange 2019 CU15​​​​​​​
• StoreWorker fails because of BaseViewOperatorDefinition