Single Sign-On in modern VDI environments is great… until it silently breaks. We ran into a tricky situation: Entra ID federated to Omnissa Access, Hybrid Join in place, TrueSSO handling external VDI logins and suddenly the PRT disappears. Microsoft apps, especially Teams v2, start failing at SSO. In my latest article, I explain why this happens, what’s behind the PRT dependency, and the exact steps to restore full Single Sign-On, even when certificates replace passwords. linkedin: https://www.linkedin.com/posts/edwin-de-bruin_the-hybrid-join-incident-recovering-the-activity-7399850329464541184-qhVd? Directlink: https://www.debruinonline.net/post/the-hybrid-join-incident-recovering-the-lost-prt