How to Remove Enterprise Single Sign-On
If you remove Host Integration Server, Enterprise Single Sign-On (SSO) is no longer configured, but it is not removed. You must remove SSO separately. You can also restore configuration information including the master secret to reuse existing data. For more information, see How to Restore the Master Secret.
To remove Enterprise Single Sign-On
Back up the master secret key.
For more information, see How to Back Up the Master Secret.
Uninstall Host Integration Server.
Click Start, point to Settings, and then click Control Panel.
Click Add or Remove Programs.
In Add or Remove Programs, click Microsoft Enterprise Single Sign-On, and then click Remove.
Click Yes when you are prompted to confirm the removal of Microsoft Enterprise Single Sign-On.