Preserved Topic: java security problem

ok, this one is for java experts:

i have an applet that does userprofile management.
it has been running on a win2kserver without any problems.

now i try to run it on a winnt4server. so i installed everything and tried it out. but when i want to add or update a userprofile i get the following error:

UNCAUGHT EXCEPTION
java.security.AccessControlException: accessdenied (java.net.SocketPermission 172.xxx.xxx.xxx:xxxx connect, reolve)

anyone know where is what wrong?
the user has administrator rights and also the internetuser on the winnt4 has all rights. the machine is running a local http server (IBM i think).

big thanks in advance.

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thanks ini.

the reason finally was a version conflict of the jre.

Your running a Servlet Engine on an NT system?

Why?

it wasnt my choice and i dont know why.
that's a server of the company i work for.
my job was only to solve that problem.