HYDME1607E Verify that all clusters in the grid are operating a microcode level 8.51.0.xx or
higher.
Explanation
Dual control can be enabled only when all the clusters in the grid operate at
microcode level 8.51.0.xx or higher.
Operator response
Verify that all the clusters in the grid operate at microcode level 8.51.0.xx
or higher. Upgrade any cluster that does note operate at microcode level 8.51.0.xx or
higher.