For example, in release 9.0 standard mode, you must disable Verify Signature to downgrade
from 9.0 to an 8.3.x or older release because it is not possible to downgrade to 8.x when in
recovery mode.
Procedure
1. Access the remote download settings. From the endpoint's main menu, select
Administrator Settings > Utilities > Remote Access > Download. From the XT Series
web interface, select Configure > Advanced > Utilities > Remote Access > Download.
Figure 143: Enabling remote access to the XT Series
2. From the Verify Signature menu, select No.
3. Click Save.
Related links
Troubleshooting the Avaya Room System XT Series on page 254
USB software upgrade failure
The software upgrade from the USB drive fails.
Firstly, verify that a password has not been set for the software upgrade.
Secondly, ensure that your upgrade path is supported.
The XT Series only accepts verified signed software packages. To downgrade the XT Series to a
previous version, you must manually disable the verification. In recovery mode, you cannot
upgrade an XT Series using an unsigned package. You must use a signed package to upgrade
the XT Series in recovery mode, then disable the verification and use the unsigned package in
normal mode.
Troubleshooting the Avaya Room System XT Series
August 2020 Deployment Guide for Avaya XT Series 280
Comments on this document? infodev@avaya.com
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