diff --git a/bundles/org.openhab.binding.velux/src/main/resources/OH-INF/config/config.xml b/bundles/org.openhab.binding.velux/src/main/resources/OH-INF/config/config.xml
index 521810b17..a9c2684bd 100644
--- a/bundles/org.openhab.binding.velux/src/main/resources/OH-INF/config/config.xml
+++ b/bundles/org.openhab.binding.velux/src/main/resources/OH-INF/config/config.xml
@@ -9,13 +9,12 @@
 	<!-- Velux Bridge KLF200 -->
 	<!-- -->
 	<config-description uri="bridge-type:velux:bridge">
-		<parameter name="ipAddress" type="text">
+		<parameter name="ipAddress" type="text" required="true">
 			<label>@text/config.velux.bridge.ipAddress.label</label>
 			<description>@text/config.velux.bridge.ipAddress.description</description>
 			<context>network-address</context>
-			<required>true</required>
 		</parameter>
-		<parameter name="protocol" type="text">
+		<parameter name="protocol" type="text" required="false">
 			<label>@text/config.velux.bridge.protocol.label</label>
 			<description>@text/config.velux.bridge.protocol.description</description>
 			<default>slip</default>
@@ -25,63 +24,54 @@
 				<option value="http">http</option>
 				<option value="https">https</option>
 			</options>
-			<required>false</required>
 			<advanced>true</advanced>
 		</parameter>
 		<parameter name="tcpPort" type="integer" required="false" min="1" max="65335">
 			<label>@text/config.velux.bridge.tcpPort.label</label>
 			<description>@text/config.velux.bridge.tcpPort.description</description>
 			<default>51200</default>
-			<required>false</required>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="password" type="text">
+		<parameter name="password" type="text" required="true">
 			<label>@text/config.velux.bridge.password.label</label>
 			<description>@text/config.velux.bridge.password.description</description>
-			<required>true</required>
 			<context>password</context>
 			<!-- Velux Bridge factory default -->
 			<default>velux123</default>
 		</parameter>
-		<parameter name="timeoutMsecs" type="integer" min="500" step="1" max="5000">
+		<parameter name="timeoutMsecs" type="integer" min="500" step="1" max="5000" required="false">
 			<label>@text/config.velux.bridge.timeoutMsecs.label</label>
 			<description>@text/config.velux.bridge.timeoutMsecs.description</description>
-			<required>false</required>
 			<default>2000</default>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="retries" type="integer" min="0" step="1" max="10">
+		<parameter name="retries" type="integer" min="0" step="1" max="10" required="false">
 			<label>@text/config.velux.bridge.retries.label</label>
 			<description>@text/config.velux.bridge.retries.description</description>
-			<required>false</required>
 			<default>5</default>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="refreshMsecs" type="integer" min="5000" step="1" max="60000">
+		<parameter name="refreshMsecs" type="integer" min="5000" step="1" max="60000" required="false">
 			<label>@text/config.velux.bridge.refreshMsecs.label</label>
 			<description>@text/config.velux.bridge.refreshMsecs.description</description>
-			<required>false</required>
 			<default>10000</default>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="isBulkRetrievalEnabled" type="boolean">
+		<parameter name="isBulkRetrievalEnabled" type="boolean" required="false">
 			<label>@text/config.velux.bridge.isBulkRetrievalEnabled.label</label>
 			<description>@text/config.velux.bridge.isBulkRetrievalEnabled.description</description>
-			<required>false</required>
 			<default>true</default>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="isSequentialEnforced" type="boolean">
+		<parameter name="isSequentialEnforced" type="boolean" required="false">
 			<label>@text/config.velux.bridge.isSequentialEnforced.label</label>
 			<description>@text/config.velux.bridge.isSequentialEnforced.description</description>
-			<required>false</required>
 			<default>false</default>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="isProtocolTraceEnabled" type="boolean">
+		<parameter name="isProtocolTraceEnabled" type="boolean" required="false">
 			<label>@text/config.velux.bridge.isProtocolTraceEnabled.label</label>
 			<description>@text/config.velux.bridge.isProtocolTraceEnabled.description</description>
-			<required>false</required>
 			<default>false</default>
 			<advanced>true</advanced>
 		</parameter>
@@ -90,13 +80,12 @@
 	<!-- Velux Devices (Rollershutters, Windows, and other Actuators) and Settings (Scenes) -->
 	<!-- -->
 	<config-description uri="thing-type:velux:scene">
-		<parameter name="sceneName" type="text">
+		<parameter name="sceneName" type="text" required="true">
 			<label>@text/config.velux.thing.scene.sceneName.label</label>
 			<description>@text/config.velux.thing.scene.sceneName.description</description>
-			<required>true</required>
 			<advanced>false</advanced>
 		</parameter>
-		<parameter name="velocity" type="text">
+		<parameter name="velocity" type="text" required="false">
 			<label>@text/config.velux.thing.scene.velocity.label</label>
 			<description>@text/config.velux.thing.scene.velocity.description</description>
 			<default>default</default>
@@ -106,89 +95,77 @@
 				<option value="silent">silent</option>
 				<option value="fast">fast</option>
 			</options>
-			<required>false</required>
 			<advanced>true</advanced>
 		</parameter>
 	</config-description>
 
 	<config-description uri="thing-type:velux:actuator">
-		<parameter name="serial" type="text" pattern="([0-9A-Fa-f]{2}[:]){7}([0-9A-Fa-f]{2})">
+		<parameter name="serial" type="text" pattern="([0-9A-Fa-f]{2}[:]){7}([0-9A-Fa-f]{2})" required="true">
 			<label>@text/config.velux.thing.actuator.serial.label</label>
 			<description>@text/config.velux.thing.actuator.serial.description</description>
-			<required>true</required>
 			<advanced>false</advanced>
 		</parameter>
-		<parameter name="name" type="text">
+		<parameter name="name" type="text" required="false">
 			<label>@text/config.velux.thing.actuator.name.label</label>
 			<description>@text/config.velux.thing.actuator.name.description</description>
-			<required>false</required>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="inverted" type="boolean">
+		<parameter name="inverted" type="boolean" required="true">
 			<label>@text/config.velux.thing.actuator.inverted.label</label>
 			<description>@text/config.velux.thing.actuator.inverted.description</description>
-			<required>true</required>
 			<default>false</default>
 			<advanced>false</advanced>
 		</parameter>
 	</config-description>
 
 	<config-description uri="thing-type:velux:rollershutter">
-		<parameter name="serial" type="text" pattern="([0-9A-Fa-f]{2}[:]){7}([0-9A-Fa-f]{2})">
+		<parameter name="serial" type="text" pattern="([0-9A-Fa-f]{2}[:]){7}([0-9A-Fa-f]{2})" required="true">
 			<label>@text/config.velux.thing.rollershutter.serial.label</label>
 			<description>@text/config.velux.thing.rollershutter.serial.description</description>
-			<required>true</required>
 			<default>00:00:00:00:00:00:00:00</default>
 			<advanced>false</advanced>
 		</parameter>
-		<parameter name="name" type="text">
+		<parameter name="name" type="text" required="false">
 			<label>@text/config.velux.thing.rollershutter.name.label</label>
 			<description>@text/config.velux.thing.rollershutter.name.description</description>
-			<required>false</required>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="inverted" type="boolean">
+		<parameter name="inverted" type="boolean" required="true">
 			<label>@text/config.velux.thing.rollershutter.inverted.label</label>
 			<description>@text/config.velux.thing.rollershutter.inverted.description</description>
-			<required>true</required>
 			<default>false</default>
 			<advanced>false</advanced>
 		</parameter>
 	</config-description>
 
 	<config-description uri="thing-type:velux:window">
-		<parameter name="serial" type="text" pattern="([0-9A-Fa-f]{2}[:]){7}([0-9A-Fa-f]{2})">
+		<parameter name="serial" type="text" pattern="([0-9A-Fa-f]{2}[:]){7}([0-9A-Fa-f]{2})" required="true">
 			<label>@text/config.velux.thing.window.serial.label</label>
 			<description>@text/config.velux.thing.window.serial.description</description>
-			<required>true</required>
 			<advanced>false</advanced>
 		</parameter>
-		<parameter name="name" type="text">
+		<parameter name="name" type="text" required="false">
 			<label>@text/config.velux.thing.window.name.label</label>
 			<description>@text/config.velux.thing.window.name.description</description>
-			<required>false</required>
 			<advanced>true</advanced>
 		</parameter>
-		<parameter name="inverted" type="boolean">
+		<parameter name="inverted" type="boolean" required="true">
 			<label>@text/config.velux.thing.window.inverted.label</label>
 			<description>@text/config.velux.thing.window.inverted.description</description>
-			<required>true</required>
 			<default>false</default>
 			<advanced>false</advanced>
 		</parameter>
 	</config-description>
 
 	<config-description uri="thing-type:velux:vshutter">
-		<parameter name="sceneLevels" type="text">
+		<parameter name="sceneLevels" type="text" required="true">
 			<label>@text/config.velux.thing.vshutter.sceneLevels.label</label>
 			<description>@text/config.velux.thing.vshutter.sceneLevels.description</description>
-			<required>true</required>
 			<advanced>false</advanced>
 		</parameter>
-		<parameter name="currentLevel" type="integer" min="0" step="1" max="100">
+		<parameter name="currentLevel" type="integer" min="0" step="1" max="100" required="true">
 			<label>@text/config.velux.thing.vshutter.currentLevel.label</label>
 			<description>@text/config.velux.thing.vshutter.currentLevel.description</description>
-			<required>true</required>
 			<default>0</default>
 			<advanced>true</advanced>
 		</parameter>