If this is the first node of the cluster where you are running upgrade then your Ops Mgr database will be upgraded, it is ...

If this is the first node of the cluster where you are running upgrade then your Ops Mgr database will be upgraded, it is highly recommended that you back it up and make sure the transaction log space available is 50% database size prior to starting the upgrade. Also if you are installing on a 'Second node of a Windows Server Cluster' please select the option.