Dell EMC DP5300 - Page 22

esxcli system maintenanceMode set -e true -m noAction
11. Use the vSphere Client or the ESXi host to shut down all of the ESXi hosts.
12. Go to the required component replacement procedure.
Prepare the Integrated Data Protection Appliance for Hardware Replacement
DELL EMC CONFIDENTIAL
22 Integrated Data Protection Appliance (IDPA) 2.1 Field Replacement Guide