If you install ProClarity Analytics Server on the same machine as your are running a PerformancePoint Server CTP3 environment with Office SharePoint Server 2007 (for Monitoring) you will run into problems after the installation. While opening the Analytics Server Administration Tool a login-dialog appears. Whatever you type-in, a successful login isn't possible.
The problem has a simple reason. SharePoint Server creates a new Web Application for localhost Port 80, and stops the Default Web in Internet Information Services. But the setup of ProClarity Analytics Server installs its Virtual Directories into the stopped Default Web. So the Administration Tool cannot connect to the required services on http:///PAS. To solve this problem, you just have to create the virtual directories manually in the Sharepoint - 80 Web Application. Use an own Application Pool derrived from the DefaultAppPool for these Web Applications, because the one of Sharepoint uses very complex configurations from web.config, what leads into several problems. Just use a new one.
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