Hi problem with mapping port 25 when publishing server msil server event id is 14163 I've tried to disable socket pooing with C:>mdutil set -path smtpsvc/1 -value 1 -dtype 1 -prop 1029 -attrib 1 but i get an error SetValueByDataType failed - HRES(0x80070057) ERROR_INVALID_PARAMETER Can anyone help --------------------------------- Do You Yahoo!? Get personalised at My Yahoo!.