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Model 8690 User Guide – ITP Mode
GETTING STARTED
• Operating System: The client application exits, and the upgrade application
launches. An upgrade of the operating system takes approximately 30 minutes
to complete.
The upgrade application erases the existing version of the operating system
from the persistent memory. Upon completion, the upgrade application down-
loads the new version of the operating system from the TFTP server. As the
new version of the operating system is downloaded, it is simultaneously writ-
ten to persistent memory, and you can monitor the progress. When the down-
load and installation completes, you are notified and the endpoint resets. The
registry settings are lost when the operating system is upgraded. This means
that certain client application settings stored in the registry are lost as well.
These include the session and diagnostic options.
CAUTION
It is imperative that you do not interrupt the operating system upgrade process
before it completes. If you attempt to use the endpoint during an upgrade you may
render it inoperable. To replace the operating system your administrator will
need to send the endpoint back to Inter-Tel for repair.
CAUTION
The Model 8690 does not have a built-in hard drive. Storage memory will not
survive a reset or an upgrade to the operating system unless the files are
stored in the Mounted Volume folder on the endpoint (My Com-
puter\Mounted Volume) or on a host that is accessible from the Model 8690.
Desktop shortcuts, and any preferences that have not been saved in the registry
(including UC preferences) will be lost if you upgrade the operating system or if
the endpoint resets. Do not attempt to use the endpoint while an upgrade is in
progress or the endpoint may be rendered unusable.