Upgrading from a File-Based ZIP Distribution of Web Proxy Server 4.x

This installation program provided with Web Proxy Server 4.0.11 can identify and upgrade Web Proxy Server file-based installations back to version 4.0.

To upgrade a Web Proxy Server 4.x file-based installation using the Web Proxy Server 4.0.11 installer, see Chapter 1, Installing Sun Java System Web Proxy Server, in Sun Java System Web Proxy Server 4.0.11 Installation and Migration Guide.