monitoring windows server accross internet

monitoring windows server accross internet

hi,
i want to monitor a windows server with the applications manager 8. the windows server 2003 is located at a hosting company - connection through the internet (without vpn).

when i configure the monitor, i get an error message: "Kindly check whether the RPC Server is running in the System"

OS Type: windows 2003
mode of monitoring: WMI
user name: a local windows  user

i opened following ports for WMI in windows firewall:
TCP 135
TCP 4168
UDP 9256

other ports like 80, ... are open, too.

which ports i have to enable?
thx

















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