Microsoft released an SU for exchange servers. Starting with this release of Security Updates, Microsoft are releasing updates in a self-extracting auto-elevating .exe package
These SUs are available for the following specific builds of Exchange Server:
Manual run of /PrepareAllDomains is required :
Because of additional security hardening work for CVE-2022-2197 (see more details on : https://support.microsoft.com/en-us/topic/description-of-the-security-update-for-microsoft-exchange-server-2016-and-2019-may-10-2022-kb5014261-cd5ecb59-a0eb-47ef-ae35-f62b13c8b817)
you need to run /PrepareAllDomains to address that particular CVE
| Additional steps needed | |
| Exchange Server 2016 CU22 or CU23, orExchange Server 2019 CU11 or CU12 | Install the May 2022 SU first and then run the following Command Prompt command once using Setup.exe in your Exchange Server installation path (e.g., …\Program Files\Microsoft\Exchange Server\v15\Bin): “Setup.exe /IAcceptExchangeServerLicenseTerms_DiagnosticDataON /PrepareAllDomains” Or “Setup.exe /IAcceptExchangeServerLicenseTerms_DiagnosticDataOFF /PrepareAllDomains” |
for full details please visit : https://techcommunity.microsoft.com/t5/exchange-team-blog/released-may-2022-exchange-server-security-updates/ba-p/3301831
SHMUEL H.