Forum Discussion

Copper Contributor

Feb 18, 2023

Exchange 2016 CU21 to C23 Upgrade failed with Mailbox role: Client Access service -DAG Environment

Hi Team , We are updating the exchange CU21 to CU 23 in a DAG two server environment .The OS is windows 2016 and both servers patched to the latest patches. Successfully patched one of the Ex...

Exchange 2016 CU21 to C23 Upgrade failed

Dan_Snape

Bronze Contributor

Feb 21, 2023

You can try the SetupAssistant script from Microsoft to see if it detects any issues https://microsoft.github.io/CSS-Exchange/Setup/SetupAssist/. Also make sure that the Exchange setup is run from an admin prompt

kiwirk

Copper Contributor

Feb 21, 2023

Thanks for the reply
All good.
Rebooted the server and continue with the CU upgrade and all went well after that.
Thanks for the reply