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Released: 2023 H1 Cumulative Update for Exchange Server

The_Exchange_Team's avatar
The_Exchange_Team
Platinum Contributor
May 03, 2023
Today we are announcing the availability of the 2023 H1 Cumulative Update (CU) for Exchange Server 2019 (aka CU13). CU13 includes fixes for customer reported issues along with all previously released...
Updated May 09, 2023
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LukasSMSFT's avatar
LukasSMSFT
Icon for Microsoft rankMicrosoft
May 17, 2023

ceantuco /PrepareDomain is required to run if the objectVersion(Default) has been raised. It is then necessary to run /PrepareDomain for each domain which contains Exchange-related objects (or to use /PrepareAllDomains to prepare all available domains). 

 

The version has been raised between Exchange Server 2019 CU10 (13241) and CU12 (13243) and therefore, /PrepareDomain was enforced to run. It remains the same with CU13 (13243) and I don't expect that a /PrepareDomain run is enforced. However, it could be enforced if Exchange setup isn't able to read the current version from AD.

 

Exchange 2019 AD version overview:

https://learn.microsoft.com/en-us/exchange/plan-and-deploy/prepare-ad-and-domains?view=exchserver-2019#exchange-2019-active-directory-versions