You must install Salesforce.com driver on a server that has HTTP access to the Salesforce.com Web service with which the driver will communicate. The Salesforce.com driver can be installed on multiple systems and platforms.To verify the system requirement list, see System Requirements
in the Identity Manager 4.0.2 Integrated Installation Guide.
By default, the Salesforce.com driver files are installed on the Metadirectory server at the same time as the Metadirectory engine. The installation program extends the Identity Vault’s schema and installs the driver shim.