How do you make a secondary management module function as a primary?

How do you make a secondary management module function as a primary?

A.
On the primary management module select Policy>management high availability, then select
“change to standby”

B.
On the secondary management module select Policy>management high availability, then select
“change to active”

C.
Perform “fw hamprim” on the secondary management module

D.
Open the Policy editor GUI onto the secondary management module, select “Change to active”