4.0 support Maintaince ends in 12/2015. Priority one support will end on 12/2017
SP upgrade should be smooth as long as you follow best practices. Always backup Filestore and CMS DB before you upgrade.
4.0 support Maintaince ends in 12/2015. Priority one support will end on 12/2017
SP upgrade should be smooth as long as you follow best practices. Always backup Filestore and CMS DB before you upgrade.