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Best method to add a dag
HI, I have a question to ask. I currently have an exchange 2016 cu23 with the latest security patches installed. Now to guarantee continuity of service I want to install a second exchange. In thi...
pazzoide76 First Ensure that you have proper backups before making any major changes. Both approaches are valid, with Option 1, you can focus on mailbox redundancy first, ensuring that even if the CAS isn't load balanced initially, mailbox databases are redundant. Clients can connect without issues during the process, even before CAS redundancy is implemented. For Option 2, CAS traffic is load balanced earlier in the process, potentially providing better performance and redundancy for client access. This is beneficial if your environment has a high dependency on CAS services. Check this article for more insight - https://dzone.com/articles/how-to-manage-database-availability-groupsdag-in-e
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There's no real better or worse way...just whatever way you think would be best for your organisation or the way you would prefer to do it. Either way you won't have full redundancy until all the steps are completed. Hopefully you've read the Plan and Deploy Exchange high availability Learn pages to make sure your configuration will provide the HA level you need.
Thank you
