Following on how to enable configuration management (backup/restore)
- SSH should be enabled (to do that please see here)
- SNMP should be enabled (to do that please see here)
- TFTP should be enabled (should be enabled by default)
In the Access Management section you need to supply in the SSH authentication an admin account with privilege level 15.
Please note that you need to disable the enable password. To do that please issue the following commands:
switch(config)#no enable password
switch#copy running-config startup-config