I think these links is good.
http://community.jaspersoft.com/documentation/jasperreports-server-upgrade-guide/v561/upgrading-37-52-561
http://community.jaspersoft.com/documentation/jasperreports-server-upgrade-guide/v561/upgrading-55-or-56-561
Hi, I can find how to upgrade from old version to 5.6.1 in the Community. But I can't find from old version "to 6.0 or 6.1". Is there links on Community?