You can update or delete account information for a single application definition, or you can remove an account from all application definitions.
Alternatively, click Start, point to All Programs, point to SharePoint Portal Server, and then click SharePoint Portal Server Single Sign-On Administration.
Note If you created the application definition to use an individual account, the Account name box appears. If you created the application definition to use a group account, the Group account name box appears.
Update the account information for this application
Delete the account information for this application
Note This option is not available for application definitions that use group accounts.
Important You cannot undo this operation.
Remove this account from all application definitions
Note This option is not available for application definitions that use group accounts.