Few days back i tried to create multiple PWA sites on a server but I created a New Shared Service Provider for that and provisioned a new PWA site. Tony Zin has posted a great entry on how we can configure multiple instance of Pwa Site with different configurations on a single SSP. It also includes all the screenshots of the how to guide which is great. Read more below
For those of you who have some experience creating multiple instances of Project Server 2003 in the same environment (one default instance for production, one for training, one for development, or one for each department in the company), you know that it’s not exactly as easy as a walk in the park. If you have a detailed step-by-step procedure (as I do), as well as all of the required software (Project Server 2003 EditSite tool, installation media for creating new databases, and database service packs), then it’s not very painful… but still a bit tedious.