My /Library/Preferences/Parallels/network.desktop.xml contained setting from an older installation but this seems not to work even if I see an open port 10001 after starting the vm (netstat -an | grep 10001).
	Code:
	
          <NATServer dyn_lists="">
              <Enabled>1</Enabled>
              <PortForwarding dyn_lists="">
                  <TCP dyn_lists="ForwardEntry 2">
                    <ForwardEntry id="1" dyn_lists="">
                        <RuleName>fw rule 0</RuleName>
                        <IncomingPort>10001</IncomingPort>
                        <RedirectIp></RedirectIp>
                        <RedirectPort>10001</RedirectPort>
                        <RedirectVm>{343a5954-f02d-4325-b657-d25a4493a107}</RedirectVm>
                    </ForwardEntry>
                  </TCP>
                  <UDP dyn_lists="ForwardEntry 0"/>
              </PortForwarding>
              <IdleConnectionTimeoutSecs>7440</IdleConnectionTimeoutSecs>
              <UseIPFilter>0</UseIPFilter>
            </NATServer>