Update 5.20 to lastes 6.30r2

Dear all,

we running a old 5.20 MiroTik on a IBM Server, for provide DNS service to guests Wi-Fi.
Now i want to upgrade to lastest 6.30r2 Version.
Is this posible? Or first have to update to lower versions, step by step?
How i can make a backup before update, of all configs?

best regards

Hello, you can upgrade in one time see on my website
Not in Englisch but folow the printscreens a made.
http://www.wirelessinfo.be/index.php/mikrotik/pages/upgrade

Don’t forget update the bios to
http://www.wirelessinfo.be/index.php/mikrotik/pages/rbupgrade

You can backup your config first
http://www.wirelessinfo.be/index.php/mikrotik/pages/backupe

If you have problems can you downgrade the router.

http://www.wirelessinfo.be/index.php/mikrotik/pages/downgrade