You can find your server by going to the folder c:\jts and looking for the log.xxxxxx files (one for each day).
After about 5 lines you get:
KA 07:59:43:773 JTS-Main: Started on 20080417-21:59:43
KA 07:59:43:773 JTS-Main: Build 882.2, Feb 21, 2008 10:08:07 AM
KA 07:59:43:776 JTS-Main...