Microsoft has released Hotfix Updates (HUs) that enables support for new functionality and address issues in earlier updates.
Exchange Server 2019
Exchange Server 2016
HUs are available for...
Updated May 21, 2025
Version 6.0
Blog Post
Within the Update installation section you mention CU several times, I believe this is a copy paste error :)
Nino_Bilic
Microsoft
MicrosoftHmm; I am not finding an error anywhere, sorry.