"The installer was interrupted before WebSpy Vantage Web Module 2.2 could be installed. You need to restart the installer to try again"
This means that some of the required IIS role services are not installed.
To resolve this issue:
- Open Server Manager, expand Roles and select Web Server (IIS).
- Ensure the following components are installed:
- Application Development\ASP.NET
- IIS 6 Metabase Compability\IIS 6 Metabase Compability
It is also a good idea to install Windows Authentication, and also check the Common HTTP Features are installed.
Missing some of these components prevents the installation from completing.