An application might need chosen the wrong tenant to sign into, and the presently logged in person was prevented from doing so because they didn't exist inside your tenant. If this consumer ought to be capable of log in, add them being a guest. See docs below: Increase B2B people. https://remington72469.mdkblog.com/38117228/the-fact-about-tentenbet-address-that-no-one-is-suggesting