Use advfirewall syntaxe to open the port

packages/zabbix_agent.xml

@@ -2,7 +2,7 @@
 <packages>
     <package id="zabbix_agent"
              name="Agent de supervision Zabbix"
-             revision="18"
+             revision="19"
              priority="10"> 
 
         <variable name="PKG_VERSION" value="3.0.1" />
@@ -12,7 +12,7 @@
         <check type="uninstall" condition="versiongreaterorequal" path="Zabbix Agent" value="%PKG_VERSION%"/>
 
         <install cmd='msiexec /qn /i "%MSI%" SERVER=%ZBX_SERVER_IP% RMTCMD=0' />
-        <install cmd='netsh firewall add portopening TCP 10050 "Zabbix Agent" enable custom "%ZBX_SERVER_IP%"' />
+        <install cmd='netsh advfirewall firewall add rule name="Zabbix Agent" dir=in action=allow protocol=TCP localport=10050 enable=yes remoteip=%ZBX_SERVER_IP%' />
 
         <upgrade cmd='"%PROGRAMFILES%\Zabbix Agent\zabbix_agentd.exe" -c "%PROGRAMFILES%\Zabbix Agent\zabbix_agentd.conf" --stop'>
             <exit code="1" />
@@ -43,7 +43,7 @@
             <exit code="0" />
         </remove>
         <remove cmd='%COMSPEC% /C msiexec /qn /norestart /x "%MSI%"' />
-        <remove cmd='netsh firewall delete portopening TCP 10050' />
+        <remove cmd='netsh advfirewall firewall del rule name="Zabbix Agent"' />
 
     </package>
 </packages>