Instalar framenet 3.5 no windosw 2012 sever
(colocar o cd) e Abrir via console
Add-WindowsFeature NET-Framework-Core -Source E:\sources\sxs
ou
DISM /online /enable-feature /featurename:NetFx3 /All /Source:e:\sources\sxs /LimitAccess
(colocar o cd) e Abrir via console
Add-WindowsFeature NET-Framework-Core -Source E:\sources\sxs
ou
DISM /online /enable-feature /featurename:NetFx3 /All /Source:e:\sources\sxs /LimitAccess