Can I access multiple AD organizations with the same login?

Yes, you can. Read on in the following scenario:

How to access multiple AD organizations with the same login

Scenario: You have an AD login in one organization (A) and are invited to another AD organization (B).

  • Click on the link in the invitation and follow the usual invitation flow.
     
    • Remember to log in with your existing AD login (A).
       
      • If you are already logged in with your AD login (A), the above step happens automatically.
         
  • Afterward, you will be redirected to the new AD organization's (B) login page, where you log in.

In this way, you link multiple AD logins to your FA account.

If you choose organization A, you should log in with the corresponding AD login, and the same applies to organization B.