diff --git a/datamodels/2.x/combodo-db-tools/src/Service/DBToolsUtils.php b/datamodels/2.x/combodo-db-tools/src/Service/DBToolsUtils.php
index 09dcf4824..5abf29419 100644
--- a/datamodels/2.x/combodo-db-tools/src/Service/DBToolsUtils.php
+++ b/datamodels/2.x/combodo-db-tools/src/Service/DBToolsUtils.php
@@ -10,6 +10,7 @@ namespace Combodo\iTop\DBTools\Service;
 use CMDBSource;
 use DBObjectSearch;
 use DBObjectSet;
+use IssueLog;
 
 class DBToolsUtils
 {
@@ -138,6 +139,49 @@ EOF;
 		return $aValues;
 	}
 
+	/**
+	 * Return previous module installation. offset is applied on parent_id.
+	 * @param $iOffset
+	 * @return array
+	 */
+	public static function GetPreviousModuleInstallationsByOffset(int $iOffset = 0): array
+	{
+		$oFilter = DBObjectSearch::FromOQL('SELECT ModuleInstallation AS mi WHERE mi.parent_id=0 AND mi.name!="datamodel"');
+		$oSet = new DBObjectSet($oFilter, ['installed' => false]); // Most recent first
+		$oSet->SetLimit($iOffset + 1);
+
+		$iParentId = 0;
+		/** @var \DBObject $oModuleInstallation */
+		while ($oModuleInstallation = $oSet->Fetch()) {
+			if ($iOffset == 0) {
+				$iParentId = $oModuleInstallation->Get('id');
+				break;
+			}
+			$iOffset--;
+		}
+
+		if ($iParentId === 0) {
+			IssueLog::Error("no ITOP_APPLICATION ModuleInstallation found", null, ['offset' => $iOffset]);
+			throw new \Exception("no ITOP_APPLICATION ModuleInstallation found");
+		}
+
+		$oFilter = DBObjectSearch::FromOQL("SELECT ModuleInstallation AS mi WHERE mi.id=$iParentId OR mi.parent_id=$iParentId");
+		$oSet = new DBObjectSet($oFilter); // Most recent first
+		$aRawValues = $oSet->ToArrayOfValues();
+		$aValues = [];
+		foreach ($aRawValues as $aRawValue) {
+			$aValue = [];
+			foreach ($aRawValue as $sAliasAttCode => $sValue) {
+				// remove 'mi.' from AttCode
+				$sAttCode = substr($sAliasAttCode, 3);
+				$aValue[$sAttCode] = $sValue;
+			}
+
+			$aValues[] = $aValue;
+		}
+		return $aValues;
+	}
+
 	public static function GetDBTablesInfo()
 	{
 		self::AnalyzeTables();
diff --git a/tests/php-unit-tests/integration-tests/itop-hub-connector/HubControllerTest.php b/tests/php-unit-tests/integration-tests/itop-hub-connector/HubControllerTest.php
index fc34a6208..d14180fc5 100644
--- a/tests/php-unit-tests/integration-tests/itop-hub-connector/HubControllerTest.php
+++ b/tests/php-unit-tests/integration-tests/itop-hub-connector/HubControllerTest.php
@@ -2,6 +2,7 @@
 
 namespace Combodo\iTop\Test\UnitTest\HubConnector;
 
+use Combodo\iTop\DBTools\Service\DBToolsUtils;
 use Combodo\iTop\HubConnector\Controller\HubController;
 use Combodo\iTop\Test\UnitTest\ItopDataTestCase;
 use DOMFormatException;
@@ -45,6 +46,7 @@ class HubControllerTest extends ItopDataTestCase
 		$this->testLaunchCompile();
 		HubController::GetInstance()->LaunchDeploy();
 		$this->CheckReport('{"code":0,"message":"Compilation successful.","fields":[]}');
+		$this->CompareCurrentAndPreviousModuleInstallations();
 	}
 
 	private function CheckReport($sExpected)
diff --git a/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php b/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
index f2086f8bb..ee00f7c46 100644
--- a/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
+++ b/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
@@ -17,6 +17,7 @@ namespace Combodo\iTop\Test\UnitTest;
 use ArchivedObjectException;
 use CMDBObject;
 use CMDBSource;
+use Combodo\iTop\DBTools\Service\DBToolsUtils;
 use Combodo\iTop\Service\Events\EventService;
 use Config;
 use Contact;
@@ -1556,4 +1557,32 @@ abstract class ItopDataTestCase extends ItopTestCase
 		@chmod($sConfigPath, 0440);
 		@unlink($this->sConfigTmpBackupFile);
 	}
+
+	public function CompareCurrentAndPreviousModuleInstallations()
+	{
+		$this->RequireOnceItopFile('env-production/combodo-db-tools/src/Service/DBToolsUtils.php');
+		$aPreviousInstallations = DBToolsUtils::GetPreviousModuleInstallationsByOffset(1);
+		$aInstallations = DBToolsUtils::GetPreviousModuleInstallationsByOffset();
+		$this->assertEquals($this->KeepModuleInstallationComparableFields($aPreviousInstallations), $this->KeepModuleInstallationComparableFields($aInstallations));
+	}
+
+	public function KeepModuleInstallationComparableFields($aInstallations): array
+	{
+		$aRes = [];
+		$aIgnoredFields = ['id', 'parent_id', 'installed', 'comment'];
+		foreach ($aInstallations as $aData) {
+			$aNewData = [];
+			foreach ($aData as $sKey => $val) {
+				if (in_array($sKey, $aIgnoredFields)) {
+					continue;
+				}
+				$aNewData[$sKey] = $val;
+			}
+			$sName = $aNewData['name'];
+			$aRes[$sName] = $aNewData;
+		}
+
+		asort($aRes);
+		return $aRes;
+	}
 }