Perform these steps to add an additional AD FS server to the Azure AD Connect-managed AD FS farm:
- Select the Add an AD FS server ribbon.
- Click Next.
- On the Connect to Azure AD screen, enter the credentials of an account in Azure AD that has been assigned the Global administrator role.
- On the Connect to AD FS screen, enter the credentials for an account that is a member of the Enterprise Admins group.
You then reach the Specify SSL certificate screen:
- On the Specify SSL certificate screen, click the Password button.
The Password popup appears.
- Enter the password for the PFX file.
- Click OK.
- Back in the Microsoft Azure ...