The Self-signed certificate issue is directly related to an AMT issue introduced in firmware 3.0 and corrected in 3.2.1; however, due to the way firmware upgrade works today, it does not reset the self-signed certificate because it is considers the self signed certificate a data component of the AMT settings. If you were to perform a factory reset (which requires you to pull the CMOS battery) on a client that was upgraded from 3.x to 3.2.1 firmware, you would not see the issue. A long terms resolution is currently under investigation.
In terms of the Intel WS-MAN Translator, I'm assuming you are running the Intel WS-MAN Translator version 1.0 and have configured in alignment with what was described in the following Blog? You can take a look at your C:\Program Files\Intel Corporation\Intel WS-Management Translator\wstrans.log; this is the Intel WS-MAN Translator Log and should give you more detail on what is going on when you try to run the script. You may temporarily want to change your error logging in the Translator to Verbose to get some more detail. To do so, modify wstrans.exe.config (make a backup copy first) to look like the following and restart the Intel WS-MAN Translator service:
<system.diagnostics>
<switches>
<add name="Intel.Wstrans" value="Verbose" />
<add name="Intel.Wstrans.Eoi" value="Verbose" />
<add name="Intel.Wstrans.WsMan" value="Verbose" />
</switches>
</system.diagnostics>
--Matt Royer
