Check your PE related stuff

 In 5.2 - you should be using any of the below URL to check your PE related stuff -

http://server:port/peengine/IOR/admin/help
http://server:port/peengine/IOR/ping?cp=myCP&farm=true&dbinfo=true
http://server:port/peengine/IOR/ping?systeminfo=true
http://server:port/peengine/IOR/ping?cp=myCP&java_dump=true
http://server:port/peengine/admin/async
http://server:port/peengine/admin/cm/audit
http://server:port/peengine/admin/cm/stats
http://server:port/peengine/admin/cm/task?name=*?tion=info
http://server:port/peengine/admin/api