The initial Account Administrator is set to the user that creates a new Tenant Account. The Account Administrator can transfer the designation of Account Administrator to another user for your Organization any time after the account is created and additional users have been added to the account.
As a security measure, the Account Portal is set up so that your account must have a designated Account Administrator and the User designated as Account Administrator always has full access to all administrative features of the Account Portal. By making it impossible to limit or turn off the administrative access of the Account Administrator, and by requiring that a account always have an Account Administrator, the Account Portal ensures that there is always a User with the capabilities to access administrative features.
Once a another User is designated as the Account Administrator, the previous Account Administrator will no longer have access to any of the Account Portal administrative features unless they have been specifically assigned to a Role that administrative permissions are explicitly given (for more information, see Managing Account Portal Securables).
Only the Account Administrator or a User assigned to a Role that has been assigned the securable to change the Account Administrator can change the Account Administer of a Tenant.
Change the Account Administrator in the Account Administrator box on the Account Profiles page of the Account Portal by,
When selecting a new user, in the type-ahead search field, hit (Ctrl + space) to see all of the Users associated with your Account. To search for a particular User, type part of the User’s name or e-mail address in the field, which will return all Users that meet your search criteria.