windows 2008 instalation sqlexpress2008 for 32 > 1) windows installer > 2) windows power shell > 3) sqlxprwtx86 enu > new instalation or add feature to an existing instalation > accept > next > select all next > named instance type sqlserver2008 next> select the account name nt autority nework se set sql server browser startup type automatic. paasword (no creat) startup type automatic > next > selected mixed mode , password sa123,> next > next> close windows firewall & antivirus firewall should be off.