As we mentioned in our recent blog post, April 13, 2023 (which marks the end of support for Exchange Server 2013) is approaching quickly. To help Exchange 2013 customers move to a newer version of Ex...
Updated Jun 05, 2025
Version 5.0
Blog Post
The guide says: To put an Exchange server into maintenance mode, see the https://docs.microsoft.com/Exchange/high-availability/manage-ha/manage-dags?view=exchserver-2019#performing-maintenance-on-dag-members section of https://docs.microsoft.com/Exchange/high-availability/manage-ha/manage-dags?view=exchserver-2019.
However the previous instructions say to decommission the DAG, so the servers are now stand-alone. That means you will get errors when running some of the DAG related commands.
Good guide though.