Hello,

After upgrading two RB800 to 5.23 i am viewing this in "/system routerboard settings> print"

baud-rate: 115200
boot-delay: 2s
enter-setup-on: any-key
boot-device: nand-if-fail-then-ethernet
cpu-frequency: 1000MHz
memory-data-rate: (unknown)
boot-protocol: bootp
enable-jumper-reset: yes
force-backup-booter: no
silent-boot: no
error - contact MikroTik support and send a supout file (2)

Any idea what is wrong?

I recall having something vaguely similar with another model where it was resolved once I upgraded the firmware (RouterBOOT) to the version included with the same RouterOS and restarted it. It may be worth a shot if a newer one is available.

That is the first thing i did, bit it didn't help. I have downgraded to 5.22 and firmware to 2.39, and everything is working ok for now. I have sent supout.rif to mtk, and maybe they will look at it and give an solution.

BR...