Today we are announcing the availability of Cumulative Updates (CUs) for Exchange Server 2016 and Exchange Server 2019. These CUs include fixes for customer reported issues along with all previously ...
I go the following when installing Exchange 2019 CU12 Mgmt Tools on Server 2019, joined to Server 2022 DC on a new environment. The "/PrepareAD" and "/PrepareAllDomains" did run trough without any problem:
[04/25/2022 15:25:14.0149] [1] Installing a new product. Package: E:\exchangeserver.msi. Property values: DISABLEERRORREPORTING=1 PRODUCTLANGUAGELCID=1033 DEFAULTLANGUAGENAME=ENU DEFAULTLANGUAGELCID=1033 INSTALLCOMMENT="Installed language for this product: English (United States)" REINSTALLMODE=amus REBOOT=ReallySuppress TARGETDIR="C:\Program Files\Microsoft\Exchange Server\V15" ADDLOCAL=AdminTools,AdminToolsNonGateway
[04/25/2022 15:25:29.0904] [1] [WARNING] Installing product E:\exchangeserver.msi failed. Fatal error during installation. Error code is 1603. Last error reported by the MSI package is 'Incorrect function.
'.
[04/25/2022 15:25:29.0904] [1] [WARNING] Fatal error during installation