A 64-bit architecture provides larger memory space that can improve caching and data throughput performance of the Integration Services. The Informatica 64-bit platform addresses up to 18 million terabytes (2^64 bytes) of system memory and has up to 256 terabytes (2^48 bytes) available for a single application.

When you run Informatica on 64-bit platforms, configure the environment to use the correct libraries, database clients, and session cache sizes.

Use the following guidelines when you install Informatica services on 64-bit Windows: