Hotfix update for Exchange Server 2016 CU23 HU18: September 8, 2025 (KB5066370)

Hotfix update for Exchange Server 2016 CU23 HU18: September 8, 2025 KB5066370 Hotfix update HU 18 for Microsoft Exchange Server 2016 CU23 was released on September 8, 2025. It includes fixes for non-security issues and may introduce new features. These fixes and features will also be included in...