CRS-6706 | CRS-4000 | Oracle Clusterware Release patch level ('3051579437') does not match Software patch level ('3007461856'). Oracle Clusterware cannot be started.

This is the most common error we can get after operating system (OS) patching and during start of our cluster services.

Steps to Recover the Error

We need to follow the below steps to rectify the error and start the cluster services.