Migration to 4.x version from a qualified 3.11.x version takes significantly longer on SV1800 than 15 minutes mentioned in the Release Notes.
We also assume the migration steps were followed exactly as specified
in the Release Notes and the device was rebooted using platform reboot
CLI command and not
The last visible output on the console may look as follows:
If a monitor is connected to the device, the following message would appear: