Migration from RedHat to Suse????

List, I have few server / services like DNS, Radius, Mail, Firewall etc. currently running on RedHat 6.2 , 7.2, 9.0.... I want to migrate the same on Suse 8.2 with Kernel 2.6. Need your suggestion, advice on the same. Any other recommendation is most welcome. Highlight any license / copyright issue in switching from RedHat to Suse 8.2 Regards, Milind