Okta IWA is a lightweight Internet Information Services (IIS) web agent that enables Desktop SSO on the Okta service. Desktop SSO allows users to be automatically authenticated by Okta and any apps accessed through Okta, whenever they sign into your Windows network.Click to see full answer. Furthermore, what is Okta IWA?Okta IWA is a lightweight Internet Information Services (IIS) web agent that enables Desktop SSO on the Okta service. Desktop SSO allows users to be automatically authenticated by Okta and any apps accessed through Okta, whenever they sign into your Windows network.Similarly, what is NT authentication? Windows NT Authentication. Paula Sharick | Dec 31, 1996. An important part of Windows NT administration is control over user access to systems within and across domains. When a user logs on to an NT system, NT validates the user’s account and authorizes access to the appropriate system or domain. Just so, how does Okta IWA work? Okta IWA is a lightweight Internet Information Services (IIS) web agentA software agent is a lightweight program that runs as a service outside of Okta. It is typically installed behind a firewall and allows Okta to tunnel communication between an on-premises service and Okta’s cloud service.What is Desktop SSO?Desktop Single Sign-on (DSSO) is the functionality that allows users to be automatically authenticated by Okta, and any apps accessed through Okta, whenever they sign-in to your Windows network. Traditionally, enabling Desktop SSOAn acronym for single sign-on.