When running http://xxxx:xxxx/sap/public/icman it fails on logon with a dialog user

Getting the following error in the browser when trying to do a test on ICMAN or anything in PUBLIC in SICF.   

Error code: ICF-IE-http -c: 000 -u: SAPSYS -l: E -s: BD2 -i: xxxxxxxxx  0 -w: 4 -d: 20130809 -t: 072940 -v: ERROR_MESSAGE_STATE -e: Log on with a dialog user

I am logged in with a dialog user.   i have checked SU01.   Webgui works fine.  Just nothing under ICMAN.  It's not even getting to the logon screen.

dev_icf

ErrorInfo URL="http://servername:8000/sap/public/icman">

<ErrorMessage>Log on with a dialog user</ErrorMessage>

<Date>20130809</Date>

<Time>073448</Time>

<Client>000</Client>

<User>SAPSYS</User>

<TerminationType>ERROR_MESSAGE_STATE</TerminationType>

<ABAP-CallStack>

<Method>

<Name>EXECUTE_REQUEST</Name>

<Program>CL_HTTP_SERVER================CP</Program>

</Method>

<Function>

<Name>HTTP_DISPATCH_REQUEST</Name>

<Program>SAPLHTTP_RUNTIME</Program>

</Function>

<Module>

<Name>%_HTTP_START</Name>

<Program>SAPMHTTP</Program>

</Module>

</ABAP-CallStack>

</ErrorInfo>

</ErrorLog>