Wireshark captures all data that is sent over a network interface. By default Wireshark is not capable of capturing communications between components that are installed on the same Windows Server because those communications are not sent over a network interface. See this kb S140638 for a solution to this problem.
Documentation References in "Self-service Partitioning and Deployment". Documentation on configuring workflows and forms in SBM is in the Serena Business Manager SBM Composer Guide Documentation on configuring processes in Serena Release Automation is in the Serena Release Automation User's Guide