A PowerExchange installation can communicate with other PowerExchange installations that have the same version and release levels. The modification and hotfix levels can be different. PowerExchange installations that have different version or release levels cannot communicate.

The version, release, and modification levels are indicated in the following format:

For example, a PowerExchange 10.5 Navigator and Listener can communicate with a PowerExchange 10.5.1 Listener. However, a PowerExchange 10.5 Navigator and Listener cannot communicate with a PowerExchange 10.4.1 Listener.