ORA-16449
        incomplete redo thread enable operation
        
        
        Cause
        The switchover operation could not continue because it failed to disable a thread that was left in an incomplete thread enable state.
        Action
        Check alert log for more details.
        
     
    
    
        ORA-16449
        incomplete redo thread enable operation
        
        
        Cause
        The switchover operation could not continue because it failed to disable a thread that was left in an incomplete thread enable state.
        Action
        Check alert log for more details.
        
     
    
    
        ORA-16449
        incomplete redo thread enable operation
        
        
        Cause
        The switchover operation could not continue because it failed to disable a thread that was left in an incomplete thread enable state.
        Action
        Check alert log for more details.