I need help i want to install NW 7.5 on a virtual box with Server 2012 R2 and MSSQL Express edition. but when i lunch the SWPM10SP26 to start installation it will display on the browser the page cannot be displayed and it will come with the following error "ERROR in Selftest. Return code: 3 Connecting to WIN-272A4GPV7AF.localdomain failed. You can use SAPINST_GUI_HOSTNAME to override the webserver hostname for the GUI." i need a solution on how i can by pass this.