HP NAS 2000s - Manual (Page 15)

NAS Service Release 2 Quick Start Guide 15
Uninstalling the Service Release
If you need to uninstall the Service Release for any reason, follow
the instructions below.
Each component installed by the Service Release must be
uninstalled individually. Follow the uninstall instructions below
for each component.
HP StorageWorks NAS Web User Interface
This component cannot be uninstalled. If the WebUI is not
functioning properly, run the Service Release again.
Windows Storage Server 2003 Feature Pack
This component can be uninstalled through the Add/Remove
Programs applet. The Add/Remove Programs applet is available
in the Control Panel listed as Windows Storage Server 2003
Feature Pack.
ProLiant Support Packs
The ProLiant Support packs cannot be uninstalled. To revert to a
previous version of a driver, obtain a copy of the SmartStart and
Support Software CD version 7.0 and install the specific
SmartComponent for the driver you would like to revert. These
SmartComponents can also be downloaded from the HP support
web site.