Purpose

This article describes procedures to enable and disable maintenance mode for Exchange mailbox servers that are not members of a DAG. This may be necessary in a variety of situations.

Procedure To Enable

1. To enable maintenance mode for a monitored Exchange mailbox server that is not a member of a DAG:

2. Launch Exchange Management Shell on the mailbox server

3. Drain active mail queues on the mailbox server with the following command

4. Set-ServerComponentState <ServerName> -Component HubTransport -State Draining -Requester Maintenance

5. Force the transport service to pick up the state change with the following command

6. Restart-Service MSExchangeTransport

7. Note: If this is a multi-role server, you must also run:

8. Restart-Service MSExchangeFrontEndTransport

9. Redirect messages pending delivery in the local queues to another mailbox server with the following command

10. Redirect--Message -Server <ServerName> -Target <MailboxServerFQDN>

Note: The target Server value must be the target server’s FQDN. The target server should not itself be in maintenance mode. 
Place the server in maintenance mode with the following command:

11. Set-ServerComponentState <ServerName> -Component ServerWideOffline -State Inactive -Requester Maintenance

12.To verify the server has been placed into maintenance mode, run:

Get-ServerComponentState <ServerName> | ft Component,State –Autosize

13. All components should show “Inactive” except for Monitoring and RecoveryActionsEnabled .

Procedure to Disable

1. To disable maintenance mode for a non-DAG mailbox server:

2. Launch Exchange Management Shell on the mailbox server

3. Run the following command:

Set-ServerComponentState <ServerName> -Component ServerWideOffline -State Active -Requester Maintenance

4. Force the transport service to pick up the state change with the following command

Restart-Service MSExchangeTransport

Note: If this is a multi-role server, you must also run:

5. Restart-Service MSExchangeFrontEndTransport

6. Verify that the server is out of maintenance mode with the following command:

Get-ServerComponentState <ServerName> | ft Component,State –Autosize

7. All server components should show as “Active”

Applies to

This procedure has been tested on Exchange Server 2016.