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Rights Management provides the ability to use policy-protected
documents offline without an Internet or network connection. This
ability requires that the policy allow offline access, as described
in Specify the document permissions for users and groups. Before a document
having such a policy can be used offline, the recipient must open
the document while online and enable offline access, by clicking
Yes when prompted. The recipient may also be requested to authenticate
his identity. The recipient can then use documents offline for the
duration of the offline lease period that is specified in the policy.
When the offline lease period ends, the recipient must synchronize
again with Rights Management either by opening a document online
or by using an Acrobat or Rights Management Extension menu command
to synchronize. (See Acrobat Help or the appropriate Rights Management Extension Help.)
Because documents that allow offline access require caching key
material on the computer where the files are stored offline, the
file can potentially be compromised if an unauthorized user can
obtain the key material. To compensate for this possibility, scheduled
and manual key rollover options are provided that you can configure
to prevent an unauthorized person from using the key to access the document.
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