Trend Micro InterScan Gateway Security Appliance M-Series ...

Trend Micro InterScan Gateway Security Appliance M-Series Administrator’s Guide
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After the appliance has rebooted, confirm that the appliance has the new device
image. You can do so by comparing the build number on the new Preconfiguration
console opening screen to the previous build number, as shown below.
FIGURE 15-31. The appliance preconfiguration console login screens,
before and after device image update
Reverting to the Previous Version of the Program File
InterScan Gateway Security Appliance includes a feature by which you can revert to
the previous version of the firmware (program file). If for some reason you need to
step back to the previous firmware that the appliance was using, you can do so by
using the appliance Preconfiguration console.