https://support.microsoft.com/en-gb/topic/exchange-service-host-service-fails-after-installing-march-2022-security-update-kb5013118-1cf2ecaf-2e87-4c42-b541-6adc47e01a5d
Exchange Service Host service fails after installing March 2022 security update (KB5013118) -...
exchange servicesecurity updatehostfails