When updating from your previous Universal Desktop firmware to UD OS 2 (version 5.x), you may need to perform the update procedure twice:
From firmware version 4.13.100 you can upgrade directly to UD OS 2.
The upgrade from firmware version 4.x to 5.x must be performed manually. The automatic Universal Firmware Update does not work in this case.
First of all, you need to order the new UD OS 2 licenses:
Send the MAC addresses of the relevant clients to IGEL Technology GmbH. For further information see Licensing with the Universal Management Suite.
The licenses for the previous IGEL Universal Desktop OS are not valid for the new firmware. However, they will not lose their validity. This means that you can install the previous version of the firmware at any time and continue working with the previous licenses.
Manual update procedure
Perform the following steps twice - once in order to update your old system and then once in order to upgrade your system to UD OS 2:
The update will now proceed automatically.
For further information, see the System settings > Update section in the IGEL UDLX user manual.
See also our How-To documents concerning the IGEL Linux firmware update at the IGEL Knowledge Base.
Some of our support FAQs also deal with the firmware update procedure.