Where a local Veeam Backup & Replication instance is licensed on a subscription basis, you may need to discover your VBR License ID and /or Support Id when attempting to raise a support case with Veeam Support.

This information can be found by logging into your Veeam Service Provider console.

https://dashboard.veeam2cloud.net/

Once logged in, go to  Configuration

And then Quota and License Usage (select the Veeam Backup and Replication tab to see a list of your assigned licenses including the license and support ID's