Ok,I using for fowarding the portfowarding tools which is in the web console of SME, if i stop this service, i can use this console too????. I you say yes, I think if i make a reboot of SME Server is the same to your solution???.
And the Portfowarding works with SME 5.6U4???, becasue i try to foward a port 1555 to mi NT-box and i fails with this.
Thank you for your help, i'm so gracefull!!!. Sorry for my English.-