HP 800 User Manual page 253

TIP:
Use the Clear temporary access control status radio button to remove the
temporary access or temporary quarantine state enabled by the Temporarily
quarantine for/Temporarily grant access for radio buttons.
Endpoint testing exceptions overrides items following it in the list (4).
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Use Endpoint testing exceptions (System configuration>>Exceptions) to
always allow or always quarantine endpoints that are defined in NAC
policies. For example, an NAC policy might have a range of IP
addresses defined for testing, but you want to exclude specific IP
addresses within that range from the tests, so you could specify them
here as Always grant access and never test or Always quarantine and
never test.
TIP:
The change access button on the System Configuration>>Endpoint activity
window is enabled only when the action is possible; for example, when an
endpoint or endpoints are selected.
Quarantined Networks
Endpoint Quarantine Precedence
7-3