D.N. Divyabharathi, Nagaraj G. Cholli, A Review on Identity and Access Management Server (KeyCloak), International Journal of Electrical and Power Engineering, Volume 14,Issue 2, 2020, Pages 17-22, ISSN 1990-7958, ijepe.2020.17.22, (https://makhillpublications.co/view-article.php?doi=ijepe.2020.17.22) Abstract: Keycloak is an open source Identity and Access Management arrangement focused on present day applications and administrations. It makes it simple to protect applications and administrations with next to zero code. The identity and access management server component provides centralized user management, authentication and single sign-on Identity Brokering User Federation and Social Login, Client Adapters, an Admin Console and an Account Management Console for the applications. This component is optionally provided with the application using the CSF Keycloak (CKEY) component which is a distribution of the open source Keycloak application. With Keycloak, the user management and authentication functions may be integrated with an externally managed system such as LDAP or Active Directory.Keycloak which provides single sign-on infrastructure for authentication and session management. In this study, we present an overview of keycloak which gives the objectives and features of keycloak and Comparison between the servers. We also present Protocolsof keycloak Finally benefits of keycloak are defined. Keywords: Keycloak;single sign on;authentication;software applications;security