Untrusted Recipient. This error will be returned if the
user clicks the Disable Windows CardSpace link from
within CardSpace. In addition to throwing an exception,
Internet Explorer will redirect to a page that explains the
cause of the failure.
Trust Exchange. This error can occur in federated scenarios
if an STS returns an error. Because it will only occur
in federated scenarios, most deployments won??™t need to
take it into account.
Argument Error. When an invalid value is passed, such
as a negative value for PolicyVersion, this will hopefully
only be seen by a developer, who is writing HTML
to call into CardSpace. In such a case, the event logs on
the CardSpace machine should be checked for more
detail.
Policy Error. This is also hit when there is an error in the
HTML used to call CardSpace. Instead of a bad value, it
is more likely to occur if the website supplied requirements
fail to meet basic CardSpace requirements. The
most common case is if no required claims are
requested.
Using CardSpace in the Browser 237
Unsupported Error. This error occurs when a request is
made for a self-issued token that cannot be satis?¬?ed. For
instance, if a self-issued token were requested, with a
claim that is not supported on the Personal Card, such as
a Social Security Number, it would trigger this error.
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