You must know your controller serial number before you can retrieve your SnapCenter controller-based license. You can locate the controller serial number using the ONTAP command line.
cluster1::> system show -instance Node: fas8080-41-42-01 Owner: Location: RTP 1.5 Model: FAS8080 Serial Number: 123451234511 Asset Tag: - Uptime: 143 days 23:46 NVRAM System ID: xxxxxxxxx System ID: xxxxxxxxxx Vendor: NetApp Health: true Eligibility: true Differentiated Services: false All-Flash Optimized: false Node: fas8080-41-42-02 Owner: Location: RTP 1.5 Model: FAS8080 Serial Number: 123451234512 Asset Tag: - Uptime: 144 days 00:08 NVRAM System ID: xxxxxxxxx System ID: xxxxxxxxxx Vendor: NetApp Health: true Eligibility: true Differentiated Services: false All-Flash Optimized: false 2 entries were displayed.