No Alerts for Clusters Failed over in SCOM 2007 R2

Dear Experts,

In my SCOM 2007 R2 Environment, we have installed following MP's. But, we are not getting any alerts for cluster failed over in SCOM as SQL DB nodes are failed over many times and these are Windows 2012 servers and nodes are in SQL 2012 DB nodes.

Do I need any settings configured to get cluster failed over alerts or it is not possible to monitor in SCOM, Kindly Suggest me.

Windows Cluster Operations Manager 2007 MP
Microsoft Server Network Load Balancing System Center Operations Manager 2007 MP
Microsoft Server 2008 Network Load Balancing System Center Operations Manager 2007 MP
SQL Server System Center Operations Manager 2007 MP

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Saravana SCOM