Resolution:
Environment
==========
TIBCO Product name and version: TIBCO Runtime Agent™ 5.7.3
Operating System(s) impacted: All

Symptoms
========
When launching the Adapter Tester from Designer 5.7.3, there is no "Adapter Executable" page.

Cause
=====
This error is a known issue (JIRA issue TRA-2828)  with the old SAP 6.1 installer, which cannot be detected by the TRA 5.7.3 using the universal installer. It has been fixed in TRA 5.7.4.

Resolution
To resolve the issue, the customer can either upgrade their TRA to 5.7.4,  or replace the following file from TRA 5.7.2 environment:
Tibco_home\tra\5.7\lib\install\TIBCOInstallerUtility.jar