If you mean multiple instances, Then it can be.
Have a look on Pauls personal Blog
http://people.planetpostgresql.org/paul/index.php?/archives/4-Running-a-Second-Instance-of-PostgreSQL-8.1.4-on-Windows-2003.html
Anoo S Pillai
From: pgsql-general-owner@postgresql.org [mailto:pgsql-general-owner@postgresql.org] On Behalf Of Zlatko Matic
Sent: Friday, July 20, 2007 11:51 AM
To: pgsql-general@postgresql.org
Subject: [GENERAL] several postgres installations on the same machine?
Is it possible to have few independant PostgreSQL 8.2 installations on the same PC, WIndows XP?
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