diff --git a/src/include/functions_common.php b/src/include/functions_common.php
index acee4af..1022460 100644
--- a/src/include/functions_common.php
+++ b/src/include/functions_common.php
@@ -494,6 +494,18 @@ function InitRuntimeInformations()
 		$content['MaxExecutionTime'] = ini_get("max_execution_time");
 	}
 	// ---
+
+	// --- Set Database Update Warning if necessary 
+	if ( 
+			GetConfigSetting("UserDBEnabled", false) && 
+			$content['database_internalversion'] > $content['database_installedversion'] && 
+			!defined('IS_UPRGADEPAGE') 
+		)
+	{	
+		$content['dbupgrade_warning'] = true;
+		$content['WARNING_DBUPGRADE_TEXT'] = GetAndReplaceLangStr( $content['LN_WARNING_DBUPGRADE_TEXT'], $content['database_installedversion'], $content['database_internalversion'] );
+	}
+
 }
 
 function CreateDebugModes()
diff --git a/src/lang/de/main.php b/src/lang/de/main.php
index a6e10aa..f810d27 100644
--- a/src/lang/de/main.php
+++ b/src/lang/de/main.php
@@ -95,6 +95,8 @@ $content['LN_ERROR_NORECORDS'] = "Es wurden keine syslog-Einträge gefunden.
 	$content['LN_FOOTER_SECONDS'] = "seconds";
 	$content['LN_WARNING_LOGSTREAMTITLE'] = "Logstream Warning";
 	$content['LN_WARNING_LOGSTREAMDISK_TIMEOUT'] = "While reading the logstream, the php script timeout forced me to abort at this point.<br><br> If you want to avoid this, please increase the phpLogCon script timeout in your config.php. If the user system is installed, you can do that in Admin center.";
+	$content['LN_WARNING_DBUPGRADE'] = "Database Upgrade required";
+	$content['LN_WARNING_DBUPGRADE_TEXT'] = "The current installed database version is '%1'.<br>An update to version '%2' is available.";
 
 // Topmenu Entries
 $content['LN_MENU_SEARCH'] = "Suchen";
diff --git a/src/lang/en/main.php b/src/lang/en/main.php
index 5401330..eff8d8d 100644
--- a/src/lang/en/main.php
+++ b/src/lang/en/main.php
@@ -97,6 +97,8 @@ $content['LN_ERROR_DB_DBFIELDNOTFOUND'] = "Database Field mapping for at least o
 	$content['LN_WARNING_LOGSTREAMTITLE'] = "Logstream Warning";
 	$content['LN_WARNING_LOGSTREAMDISK_TIMEOUT'] = "While reading the logstream, the php script timeout forced me to abort at this point.<br><br> If you want to avoid this, please increase the phpLogCon script timeout in your config.php. If the user system is installed, you can do that in Admin center.";
 	$content['LN_ERROR_FILE_NOMORETIME'] = "No more time for processing left";
+	$content['LN_WARNING_DBUPGRADE'] = "Database Upgrade required";
+	$content['LN_WARNING_DBUPGRADE_TEXT'] = "The current installed database version is '%1'.<br>An update to version '%2' is available.";
 
 // Topmenu Entries
 $content['LN_MENU_SEARCH'] = "Search";
diff --git a/src/lang/pt_BR/main.php b/src/lang/pt_BR/main.php
index e54adba..1864b00 100644
--- a/src/lang/pt_BR/main.php
+++ b/src/lang/pt_BR/main.php
@@ -99,6 +99,8 @@ $content['LN_ERROR_NORECORDS'] = "Sem mensagens encontradas.";
 	$content['LN_FOOTER_SECONDS'] = "seconds";
 	$content['LN_WARNING_LOGSTREAMTITLE'] = "Logstream Warning";
 	$content['LN_WARNING_LOGSTREAMDISK_TIMEOUT'] = "While reading the logstream, the php script timeout forced me to abort at this point.<br><br> If you want to avoid this, please increase the phpLogCon script timeout in your config.php. If the user system is installed, you can do that in Admin center.";
+	$content['LN_WARNING_DBUPGRADE'] = "Database Upgrade required";
+	$content['LN_WARNING_DBUPGRADE_TEXT'] = "The current installed database version is '%1'.<br>An update to version '%2' is available.";
 
 // Topmenu Entries
 	$content['LN_MENU_SEARCH'] = "Search";
diff --git a/src/templates/include_header.html b/src/templates/include_header.html
index 6c9ea48..74073b3 100644
--- a/src/templates/include_header.html
+++ b/src/templates/include_header.html
@@ -141,10 +141,13 @@
 <tr> 
 	<td>
 
-	<!-- IF error_installfilereminder="true" -->
-		<center>
-		<h3><br><br><font color="red">{LN_ERROR_INSTALLFILEREMINDER}</font></h3>
-		</center>
-	<!-- ENDIF error_installfilereminder="true" -->
-	
-
+	<!-- IF dbupgrade_warning="false" -->
+	<br>
+	<center>
+		<div class="table_with_border_second ErrorMsg" style="width:600px">
+			<div class="PriorityWarning">{LN_WARNING_DBUPGRADE}</div>
+			<p align="left">{WARNING_DBUPGRADE_TEXT}</p>
+			</div>
+	</center>
+	<br>
+	<!-- ENDIF dbupgrade_warning="false" -->