Before you upgrade to Enterprise Vault 9.0, we strongly recommend that you run the Deployment Scanner to check prerequisite software and settings.
The Deployment Scanner is
included in the Deployment Scanner
folder on the Enterprise Vault 9.0 media.
Use the Vault Service account when running the Deployment Scanner.
To install Deployment Scanner, Windows Installer 3.1 must be installed on the Enterprise Vault server computers. You can download Windows Installer 3.1 from the Microsoft Download Center. You must have local Administrator permissions in order to install Deployment Scanner.