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Single Sign-On (SSO) is a key feature of the SAP NetWeaver Portal that eases user interaction with the many component systems available to users in a portal environment. Once users are authenticated on the portal, they can use the portal to access external applications. With SSO in the portal, users can access different systems and applications without having to repeatedly enter their user information for authentication.

The portal SSO mechanism is available in the following variants depending on security requirements and the supported external applications:

  • SSO with logon tickets
  • SSO with user ID and password

Both variants eliminate the need for repeated logons to individual applications after the initial authentication at the portal. Whereas SSO with logon tickets is based on a secure ticketing mechanism, SSO with user ID and password forwards the user's logon data (user ID and password) to the systems that a user wants to call.

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