Forum Discussion
DAG server exchange membership :
Hi teams , I have 3 server exchange 2019 member in a single dag installed January 2023, I want to add a 4th server in the same dag in March 2023 (after 2 mounth) , The 4th server has the same hard f...
Hi mohemedd93
Windows update is not a prerequisite for dag, whoever Exchange update is mandatory
Each member of a DAG must be running the same operating system. here is software requirement .
https://learn.microsoft.com/en-us/exchange/high-availability/plan-ha?view=exchserver-2019#software-requirements
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