From the VMware vSphere client, select the VM where the SnapCenter VMware plug-in is located.
Right-click the VM, then on the Summary tab of the virtual appliance click Launch Remote Console to open a maintenance console window, and then log on.

For information on accessing and logging on to the maintenance console, see Access the Maintenance Console.
From the Main Menu, select menu option 2) System Configuration.
From the System Configuration Menu, select menu option 6) Enable SSH access and then enter “y” at the confirmation prompt.
Wait for the message “Enabling SSH Access…” then press Enter to continue, and then enter X at the prompt to exit Maintenance Mode.