diff --git a/application/displayblock.class.inc.php b/application/displayblock.class.inc.php
index 1f46fcc91..52821b6f9 100644
--- a/application/displayblock.class.inc.php
+++ b/application/displayblock.class.inc.php
@@ -2045,6 +2045,8 @@ class MenuBlock extends DisplayBlock
 							$this->AddBulkModifyObjectsMenuAction($aRegularActions, $sSelectedClass, $oSelectedClassFilter->serialize(), 'UI:Menu:UnlinkAll:', Dict::S('Class:SynchroReplica/Action:unlink_all'),'unlink');
 							$this->AddBulkModifyObjectsMenuAction($aRegularActions, $sSelectedClass, $oSelectedClassFilter->serialize(), 'UI:Menu:UnLinkSynchroAll:', Dict::S('Class:SynchroReplica/Action:unlinksynchro_all'),'unlinksynchro');
 							$this->AddBulkModifyObjectsMenuAction($aRegularActions, $sSelectedClass, $oSelectedClassFilter->serialize(), 'UI:Menu:SynchroAll:', Dict::S('Class:SynchroReplica/Action:synchro_all'),'synchro');
+							$this->AddBulkModifyObjectsMenuAction($aRegularActions, $sSelectedClass, $oSelectedClassFilter->serialize(), 'UI:Menu:AllowDeleteAll:', Dict::S('Class:SynchroReplica/Action:allowdelete_all'),'allowdelete');
+							$this->AddBulkModifyObjectsMenuAction($aRegularActions, $sSelectedClass, $oSelectedClassFilter->serialize(), 'UI:Menu:DenyDeleteAll:', Dict::S('Class:SynchroReplica/Action:denydelete_all'),'denydelete');
 						} else {
 							$this->AddBulkModifyObjectsMenuAction($aRegularActions, $sSelectedClass, $oSelectedClassFilter->serialize(), 'UI:Menu:ModifyAll:'.$sSelectedAlias, Dict::Format('UI:Menu:ModifyAll_'.$sActionLabelCodeSuffix, $sSelectedClassName));
 						}
diff --git a/dictionaries/en.dictionary.itop.core.php b/dictionaries/en.dictionary.itop.core.php
index ca254e9cf..617976be9 100644
--- a/dictionaries/en.dictionary.itop.core.php
+++ b/dictionaries/en.dictionary.itop.core.php
@@ -964,8 +964,8 @@ The hyperlink is displayed in the tooltip appearing on the “Lock” symbol of
 	'Class:SynchroDataSource/Error:DataTableAlreadyExists'                     => 'The table %1$s already exists in the database. Please use another name for the synchro data table.',
 	'Core:SynchroReplica:PublicData'                                           => 'Public Data',
 	'Core:SynchroReplica:PrivateDetails'                                       => 'Private Details',
-	'Core:SynchroReplica:BackToDataSource'                                     => 'Go Back to the Synchro Data Source: %1$s',
-	'Core:SynchroReplica:ListOfReplicas'                                       => 'List of Replica',
+	'Core:SynchroReplica:BackToDataSource'                                     => 'Back to the Synchro Data Source',
+	'Core:SynchroReplica:ListOfReplicas'                                       => 'Replicas of the data source: %1$s',
 	'Core:SynchroAttExtKey:ReconciliationById'                                 => 'id (Primary Key)',
 	'Core:SynchroAtt:attcode'                                                  => 'Attribute',
 	'Core:SynchroAtt:attcode+'                                                 => 'Field of the object',
@@ -1065,6 +1065,10 @@ The hyperlink is displayed in the tooltip appearing on the “Lock” symbol of
 	'Class:SynchroReplica/Action:unlinksynchro+'                        => 'Unlink replica with destination object and execute synchronization with this replica',
 	'Class:SynchroReplica/Action:synchro'                               => 'Synchro',
 	'Class:SynchroReplica/Action:synchro+'                              => 'Execute synchronization with this replica',
+	'Class:SynchroReplica/Action:allowdelete'                               => 'Allow delete of object linked to this synchro replica',
+	'Class:SynchroReplica/Action:allowdelete+'                              => 'Object linked to a deleted replica is deleted',
+	'Class:SynchroReplica/Action:denydelete'                               => 'Deny delete of object linked to this synchro replica',
+	'Class:SynchroReplica/Action:denydelete+'                              =>  'Object linked to a deleted replica is not deleted',
 
 	'Class:SynchroReplica/Action:unlink_all'                                => 'Unlink Synchro Replica objects',
 	'Class:SynchroReplica/Action:unlink_all+'                               => 'Unlink replica with destination object',
@@ -1072,6 +1076,10 @@ The hyperlink is displayed in the tooltip appearing on the “Lock” symbol of
 	'Class:SynchroReplica/Action:unlinksynchro_all+'                        => 'Unlink replica with destination object and execute synchronization with this replica',
 	'Class:SynchroReplica/Action:synchro_all'                               => 'Synchronize Synchro Replica objects',
 	'Class:SynchroReplica/Action:synchro_all+'                              => 'Execute synchronization with this replica',
+	'Class:SynchroReplica/Action:allowdelete_all'                               => 'Allow delete of objects linked to Synchro Replica',
+	'Class:SynchroReplica/Action:allowdelete_all+'                              => 'Object linked to a deleted replica is deleted',
+	'Class:SynchroReplica/Action:denydelete_all'                               => 'Deny delete of objects linked to Synchro Replica',
+	'Class:SynchroReplica/Action:denydelete_all+'                              =>  'Object linked to a deleted replica is not deleted',
 
 	'UI:UnlinkAllTabTitle' => 'Unlink Synchro Replica objects',
 	'UI:UnlinkAllPageTitle' => 'Unlink Synchro Replica objects',
@@ -1079,6 +1087,10 @@ The hyperlink is displayed in the tooltip appearing on the “Lock” symbol of
 	'UI:UnlinkSynchroAllPageTitle' => ' Unlink & Synchronize Synchro Replica objects',
 	'UI:SynchroAllTabTitle' => 'Synchronize Synchro Replica objects',
 	'UI:SynchroAllPageTitle'       => 'Synchronize Synchro Replica objects',
+	'UI:AllowDeleteAllTabTitle' => 'Allow delete of objects linked to Synchro Replica',
+	'UI:AllowDeleteAllPageTitle'             => 'Allow delete of objects linked to Synchro Replica',
+	'UI:DenyDeleteAllTabTitle'              => 'Deny delete of objects linked to Synchro Replica',
+	'UI:DenyDeleteAllPageTitle'                   => 'Deny delete of objects linked to Synchro Replica',
 
 	'Class:appUserPreferences'                       => 'User Preferences',
 	'Class:appUserPreferences/Attribute:userid'      => 'User',
diff --git a/pages/UI.php b/pages/UI.php
index 0148001d3..d894a24e8 100644
--- a/pages/UI.php
+++ b/pages/UI.php
@@ -644,6 +644,13 @@ try
 				SynchroReplicaController::OperationUnlinkAll($oP, $oAppContext,'synchro');
 				break;
 
+			case 'form_for_allowdelete_all': // Form to modify multiple objects (bulk modify)
+				SynchroReplicaController::OperationUnlinkAll($oP, $oAppContext,'allowdelete');
+				break;
+			case 'form_for_denydelete_all': // Form to modify multiple objects (bulk modify)
+				SynchroReplicaController::OperationUnlinkAll($oP, $oAppContext,'denydelete');
+				break;
+
 			///////////////////////////////////////////////////////////////////////////////////////////
 
 			case 'preview_or_modify_all': // Preview or apply bulk modify
diff --git a/sources/Controller/Links/SynchroReplicaController.php b/sources/Controller/Links/SynchroReplicaController.php
index 71a59a0e9..c0bda2e43 100644
--- a/sources/Controller/Links/SynchroReplicaController.php
+++ b/sources/Controller/Links/SynchroReplicaController.php
@@ -84,14 +84,20 @@ class SynchroReplicaController extends Controller
 			$bResult = true;
 			try {
 				if (in_array($sOperation, ['unlink', 'unlinksynchro'])) {
-					\IssueLog::Error('unlinking replica '.$oReplica->GetKey());
-					$oReplica->UnLink();
+						$oReplica->UnLink();
 				}
 				if (in_array($sOperation, ['synchro', 'unlinksynchro'])) {
-					\IssueLog::Error('synchro replica '.$oReplica->GetKey());
 					$oStatLog = $oReplica->ReSynchro();
 					$aErrors = $oStatLog->GetTraces();
 				}
+				if ($sOperation == 'allowdelete') {
+					$oReplica->Set('status_dest_creator', 1);
+					$oReplica->DBUpdate();
+				}
+				if ($sOperation == 'denydelete') {
+					$oReplica->Set('status_dest_creator', 0);
+					$oReplica->DBUpdate();
+				}
 			}
 			catch (Exception $e) {
 				$bResult = false;
diff --git a/sources/Controller/UI.php b/sources/Controller/UI.php
index e8eb7cf03..92829c715 100644
--- a/sources/Controller/UI.php
+++ b/sources/Controller/UI.php
@@ -38,7 +38,7 @@ class UI
 
         $aDisplayParams = [
             'icon' => MetaModel::GetClassIcon($sClass, false),
-            'title' => Dict::Format('UI:Modify_ObjectsOf_Class', $sClassName),
+            'title' => Dict::Format($sTitleCode, $sClassName),
         ];
         IssueLog::Error('OperationSelectForModifyAll');
         self::DisplayMultipleSelectionForm($oP, $oFilter, $sNextOperation, $oChecker, [], $aDisplayParams);
diff --git a/synchro/replica.php b/synchro/replica.php
index 21e3a3898..9351b8985 100644
--- a/synchro/replica.php
+++ b/synchro/replica.php
@@ -17,6 +17,8 @@
  * You should have received a copy of the GNU Affero General Public License
  */
 
+use Combodo\iTop\Application\UI\Base\Component\Button\ButtonUIBlockFactory;
+use Combodo\iTop\Application\UI\Base\Component\Title\TitleUIBlockFactory;
 use Combodo\iTop\Application\WebPage\iTopWebPage;
 use UI;
 
@@ -47,21 +49,26 @@ try {
 			break;
 
 		case 'oql':
+			$iSourceId = utils::ReadParam('datasource', null);
+			if ($iSourceId != null) {
+				$oSource = MetaModel::GetObject('SynchroDataSource', $iSourceId);
+				//$oP->p(Dict::Format('Core:SynchroReplica:BackToDataSource', $oSource->GetHyperlink()).'</a>');
+				//$oBackButton = ButtonUIBlockFactory::MakeIconLink('fas fa-chevron-left', Dict::Format('Core:SynchroReplica:BackToDataSource', $oSource->GetName()), ApplicationContext::MakeObjectUrl('SynchroDataSource', $iSourceId));
+				$oBackButton = ButtonUIBlockFactory::MakeLinkNeutral( ApplicationContext::MakeObjectUrl('SynchroDataSource', $iSourceId), Dict::S('Core:SynchroReplica:BackToDataSource'), 'fas fa-chevron-left');
+				$oP->AddUiBlock($oBackButton);
+				$oP->AddUiBlock(TitleUIBlockFactory::MakeForPage(Dict::Format('Core:SynchroReplica:ListOfReplicas', $oSource->GetName())));
+			}
+
 			$sOQL = utils::ReadParam('oql', null, false, 'raw_data');
 			if ($sOQL == null) {
 				throw new ApplicationException(Dict::Format('UI:Error:1ParametersMissing', 'oql'));
 			}
 			$oFilter = DBObjectSearch::FromOQL($sOQL);
-			$oBlock1 = new DisplayBlock($oFilter, 'search', false, array('menu' => false, 'table_id' => '1'));
+			$oBlock1 = new DisplayBlock($oFilter, 'search', false, array('menu' => true, 'table_id' => '1'));
 			$oBlock1->Display($oP, 0);
-			$oP->add('<p class="page-header">'.MetaModel::GetClassIcon('SynchroReplica').Dict::S('Core:SynchroReplica:ListOfReplicas').'</p>');
-			$iSourceId = utils::ReadParam('datasource', null);
-			if ($iSourceId != null) {
-				$oSource = MetaModel::GetObject('SynchroDataSource', $iSourceId);
-				$oP->p(Dict::Format('Core:SynchroReplica:BackToDataSource', $oSource->GetHyperlink()).'</a>');
-			}
-			$oBlock = new DisplayBlock($oFilter, 'list', false, array('menu' => false));
-			$oBlock->Display($oP, 1);
+
+			//$oBlock = new DisplayBlock($oFilter, 'list', false, array('menu' => true));
+			//$oBlock->Display($oP, 1);
 			break;
 
 		case 'delete':
@@ -103,6 +110,27 @@ try {
 			}
 			$oReplica = MetaModel::GetObject('SynchroReplica', $iId);
 			$oStatLog = $oReplica->ReSynchro();
+			$oReplica->DisplayDetails($oP);
+			break;
+
+		case 'allowdelete':
+			$iId = utils::ReadParam('id', null);
+			if ($iId == null) {
+				throw new ApplicationException(Dict::Format('UI:Error:1ParametersMissing', 'id'));
+			}
+			$oReplica = MetaModel::GetObject('SynchroReplica', $iId);
+			$oStatLog = $oReplica->Set('status_dest_creator',1);
+			$oReplica->DisplayDetails($oP);
+			break;
+
+		case 'denydelete': // Select the list of objects to be modified (bulk modify)
+			$iId = utils::ReadParam('id', null);
+			if ($iId == null) {
+				throw new ApplicationException(Dict::Format('UI:Error:1ParametersMissing', 'id'));
+			}
+			$oReplica = MetaModel::GetObject('SynchroReplica', $iId);
+			$oStatLog = $oReplica->Set('status_dest_creator', 0);
+			$oReplica->DisplayDetails($oP);
 			break;
 
 		case 'select_for_unlink_all': // Select the list of objects to be modified (bulk modify)
@@ -116,6 +144,14 @@ try {
 		case 'select_for_synchro_all': // Select the list of objects to be modified (bulk modify)
 			UI::OperationSelectForModifyAll($oP,'UI:SynchroAllTabTitle', 'UI:SynchroAllPageTitle','form_for_synchro_all');
 			break;
+
+		case 'select_for_allowdelete_all': // Select the list of objects to be modified (bulk modify)
+			UI::OperationSelectForModifyAll($oP,'UI:AllowDeleteAllTabTitle', 'UI:AllowDeleteAllPageTitle','form_for_allowdelete_all');
+			break;
+
+		case 'select_for_denydelete_all': // Select the list of objects to be modified (bulk modify)
+			UI::OperationSelectForModifyAll($oP,'UI:DenyDeleteAllTabTitle', 'UI:DenyDeleteAllPageTitle','form_for_denydelete_all');
+			break;
 	}
 }
 catch(CoreException $e)
diff --git a/synchro/synchrodatasource.class.inc.php b/synchro/synchrodatasource.class.inc.php
index ae5b3a658..377cc7973 100644
--- a/synchro/synchrodatasource.class.inc.php
+++ b/synchro/synchrodatasource.class.inc.php
@@ -2929,6 +2929,22 @@ class SynchroReplica extends DBObject implements iDisplay
 				'url'     => $sUrl,
 				'tooltip' => Dict::S('Class:SynchroReplica/Action:synchro+'),
 			];
+
+			if ($this->Get('status_dest_creator') == 1) {
+				$sUrl = "{$sRootUrl}synchro/replica.php?operation=denydelete&class=$sClass&id=$sId{$sContext}";
+				$aActions['Class:SynchroReplica/Action:denydelete'] = [
+					'label'   => Dict::S('Class:SynchroReplica/Action:denydelete'),
+					'url'     => $sUrl,
+					'tooltip' => Dict::S('Class:SynchroReplica/Action:denydelete+'),
+				];
+			} else {
+				$sUrl = "{$sRootUrl}synchro/replica.php?operation=allowdelete&class=$sClass&id=$sId{$sContext}";
+				$aActions['Class:SynchroReplica/Action:allowdelete'] = [
+					'label'   => Dict::S('Class:SynchroReplica/Action:allowdelete'),
+					'url'     => $sUrl,
+					'tooltip' => Dict::S('Class:SynchroReplica/Action:allowdelete+'),
+				];
+			}
 		}
 		if (count($aActions) > 0) {
 			$sRegularActionsMenuTogglerId = "ibo-regular-actions-menu-toggler-{$sId}";