Some commands become quite handy because you almost never use them. But If you need them you can't find them. Below the command for finding your EMC Avamar System Name and ID
First login to Avamar with PuTTY and use your ROOT account. PuTTY is an ssh client. Download here.
Use the following command to show your System Name and ID. The outcome is shown at bullet nr. 3
mccli server show-prop | grep -i system
System Name AVMRUTN19.MIKES.LAN
System ID 1358430266@78:3C:CB:42:5G:97