How to Disable Enterprise Single Sign-On
The disabling command disables the entire Single Sign-On system.
There will be a short delay before all Single Sign-On servers are disabled, because they poll the Credential database for the latest global information.
To disable Enterprise Single Sign-On using the MMC Snap-In
Click Start , point to Programs , point to Microsoft Enterprise Single Sign-On , and then click SSO Administration .
In the scope pane of the ENTSSO MMC Snap-In, expand the Enterprise Single Sign-On node.
Right-click System , and then click Disable .
To disable Enterprise Single Sign-On using the command line
Click Start , click Run , and then type cmd .
At the command prompt, go to the Enterprise Single Sign-On installation directory.
The default installation directory is <drive> :\Program Files\Common Files\Enterprise Single Sign-On.
Type ssomanage –disablesso .