I installed the original SQL Server 2012 bits. When I install SQL Server 2012 SP2, the build number is still only 11.0.3128. How do I force the installation to apply SP2? The build number should be 110.55. The file I used was SW_DVD9_SQL_Svr_Ent_Core_2012w_SP2_64Bit_English_MLF_X19-68408.ISO.
Enterprise Architect