To the best of my knowledge the Windows environment requires active
input from your keyboard/mouse to keep the session unlocked.

You should talk to your IT department/person and find out if there is a
company policy or security reason why unattended computers need to lock
out after 20 min. This may be to protect the computer from
unauthorized users. If there is no security reason or policy for this
then they should be willing to change the settings for you. If there
is they may be willing to let you save your calender as a file and set
it as the screen saver. This way you could still have your calender
and maintain the security of the system as Windows can be set to
require a password to get out of the screen saver..

Hope this helps.


--
goober
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