tkdchen wrote: >I install PostgreSQL under Windows Vista, but the MSI failed. It told >me that it has no right to create postgres user account. I don't know >why. I just run the MSI package with an Administrator account. Please >help me to solve this problem. Sounds like the UAC (User Access Control) is in the way. There is a document available from Microsoft describing the installation: <http://port25.technet.com/archive/2007/02/22/postgresql-on-windows-a-primer.aspx> Quote: "Notes on Vista: The install on Vista is similar to other Windows installs but to install on Vista, you must turn off User Account Control first." Rainer ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match