Issue
Getting error message "page cannot be found" when trying to open TAC Vista Webstation.
Environment
Windows 2003 Server and IIS 6.0
Cause
Enable ASP.NET in Web Service Extensions.
Resolution
Open the IIS 6.0 (Internet information services). Click on "Web Service Extensions" and make sure ASP.NET is "Allowed".
http://www.youtube.com/watch?v=r62cbZx4vhQ
NOTE: XP Uses IIS 5.1 and Web Services Extensions do not exists in this version of IIS.