Well there is a warning at the end of the installation stating you need to license it however most people don’t take any notice of this.
To view the current license state for SCOM 2016 you need to:
Open the SCOM console
Click Help then about
You can see (Eval)
To set the SCOM 2016 License Key you need to do the following steps
Open the SCOM 2016 operation PowerShell, type Set-SCOMLicense -ProductId “XXXXX-XXXXX-XXXXX-XXXXX-XXXXX” press enter, then conform to all by type A then press enter.
On the Run type Services.msc then click ok.
Find the System Center Data Access Service, right click restart.
Open the Operations Console again, click on help then about
You should see (Retail) instead of (Eval), now the SCOM 2016 is licensed.
You need to restart the System Center Data Access Service for all the Management servers that you have.