How to put Exchange Server in Maintenance Mode?
You must put the Exchange Server in maintenance mode when installing monthly Windows Security and features updates, Exchange Server Cumulative Updates (CU), or any other software updates, and doing hardware upgrades or replacement. Otherwise, it would lead to corruption in the database or even failure of the server. Below, we’ll be discussing the stepwise process to put an Exchange Server in maintenance mode.
Steps to put Exchange Server in Maintenance Mode
To put a server in maintenance mode, you need to use PowerShell commands in Exchange Management Shell (EMS) from another Exchange Server in your Exchange Database Availability Group (DAG).
Let’s start off with the process.
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