diff --git a/lib/Alchemy/Phrasea/Border/Checker/AbstractChecker.php b/lib/Alchemy/Phrasea/Border/Checker/AbstractChecker.php
index 8b4de0fb58..de6f4c25d6 100644
--- a/lib/Alchemy/Phrasea/Border/Checker/AbstractChecker.php
+++ b/lib/Alchemy/Phrasea/Border/Checker/AbstractChecker.php
@@ -34,6 +34,11 @@ abstract class AbstractChecker implements CheckerInterface
      */
     protected $collections = [];
 
+    /**
+     * @var \collection[]
+     */
+    protected $compareIgnoreCollections = [];
+
     public function __construct(Application $app)
     {
         $this->app = $app;
@@ -44,7 +49,7 @@ abstract class AbstractChecker implements CheckerInterface
      * Warning, you can not restrict on both databoxes and collections
      *
      * @param  \databox[] $databoxes A databox or an array of databoxes
-     * @return bool
+     * @return \databox[]
      *
      * @throws \LogicException           If already restricted to collections
      * @throws \InvalidArgumentException In case invalid databoxes are provided
@@ -72,7 +77,7 @@ abstract class AbstractChecker implements CheckerInterface
      * Warning, you can not restrict on both databoxes and collections
      *
      * @param  \collection[] $collections
-     * @return bool
+     * @return \collection[]
      *
      * @throws \LogicException           If already restricted to databoxes
      * @throws \InvalidArgumentException In case invalid collections are provided
@@ -95,6 +100,11 @@ abstract class AbstractChecker implements CheckerInterface
         return $this->collections;
     }
 
+    public function setCompareIgnoreCollections($collections)
+    {
+        $this->compareIgnoreCollections = $collections;
+    }
+
     /**
      * Returns true if the checker should be executed against the current file
      *
diff --git a/lib/Alchemy/Phrasea/Border/Checker/Filename.php b/lib/Alchemy/Phrasea/Border/Checker/Filename.php
index ec4f0b0be4..ea1c25a7a6 100644
--- a/lib/Alchemy/Phrasea/Border/Checker/Filename.php
+++ b/lib/Alchemy/Phrasea/Border/Checker/Filename.php
@@ -45,8 +45,18 @@ class Filename extends AbstractChecker
      */
     public function check(EntityManager $em, File $file)
     {
-        $boolean = empty(\record_adapter::get_records_by_originalname(
-            $file->getCollection()->get_databox(), $file->getOriginalName(), $this->sensitive, 0, 1
+        $excludedCollIds = [];
+        if (!empty($this->compareIgnoreCollections)) {
+            foreach ($this->compareIgnoreCollections as $collection) {
+                // use only collection in the same databox and retrieve the coll_id
+                if ($collection->get_sbas_id() === $file->getCollection()->get_sbas_id()) {
+                    $excludedCollIds[] = $collection->get_coll_id();
+                }
+            }
+        }
+
+        $boolean = empty(\record_adapter::getRecordsByOriginalnameWithExcludedCollIds(
+            $file->getCollection()->get_databox(), $file->getOriginalName(), $this->sensitive, 0, 1, $excludedCollIds
         ));
 
         return new Response($boolean, $this);
diff --git a/lib/Alchemy/Phrasea/Border/Checker/Sha256.php b/lib/Alchemy/Phrasea/Border/Checker/Sha256.php
index d17b28e5b9..5116e35dfd 100644
--- a/lib/Alchemy/Phrasea/Border/Checker/Sha256.php
+++ b/lib/Alchemy/Phrasea/Border/Checker/Sha256.php
@@ -34,7 +34,17 @@ class Sha256 extends AbstractChecker
      */
     public function check(EntityManager $em, File $file)
     {
-        $boolean = empty($file->getCollection()->get_databox()->getRecordRepository()->findBySha256($file->getSha256()));
+        $excludedCollIds = [];
+        if (!empty($this->compareIgnoreCollections)) {
+            foreach ($this->compareIgnoreCollections as $collection) {
+                // use only collection in the same databox and retrieve the coll_id
+                if ($collection->get_sbas_id() === $file->getCollection()->get_sbas_id()) {
+                    $excludedCollIds[] = $collection->get_coll_id();
+                }
+            }
+        }
+
+        $boolean = empty($file->getCollection()->get_databox()->getRecordRepository()->findBySha256WithExcludedCollIds($file->getSha256(), $excludedCollIds));
 
         return new Response($boolean, $this);
     }
diff --git a/lib/Alchemy/Phrasea/Border/Checker/UUID.php b/lib/Alchemy/Phrasea/Border/Checker/UUID.php
index c3857fbe76..cdacf973a5 100644
--- a/lib/Alchemy/Phrasea/Border/Checker/UUID.php
+++ b/lib/Alchemy/Phrasea/Border/Checker/UUID.php
@@ -33,7 +33,17 @@ class UUID extends AbstractChecker
      */
     public function check(EntityManager $em, File $file)
     {
-        $boolean = empty($file->getCollection()->get_databox()->getRecordRepository()->findByUuid($file->getUUID()));
+        $excludedCollIds = [];
+        if (!empty($this->compareIgnoreCollections)) {
+            foreach ($this->compareIgnoreCollections as $collection) {
+                // use only collection in the same databox and retrieve the coll_id
+                if ($collection->get_sbas_id() === $file->getCollection()->get_sbas_id()) {
+                    $excludedCollIds[] = $collection->get_coll_id();
+                }
+            }
+        }
+
+        $boolean = empty($file->getCollection()->get_databox()->getRecordRepository()->findByUuidWithExcludedCollIds($file->getUUID(), $excludedCollIds));
 
         return new Response($boolean, $this);
     }
diff --git a/lib/Alchemy/Phrasea/Core/Provider/BorderManagerServiceProvider.php b/lib/Alchemy/Phrasea/Core/Provider/BorderManagerServiceProvider.php
index 36f0ed0e7e..d7a0f636f9 100644
--- a/lib/Alchemy/Phrasea/Core/Provider/BorderManagerServiceProvider.php
+++ b/lib/Alchemy/Phrasea/Core/Provider/BorderManagerServiceProvider.php
@@ -78,6 +78,20 @@ class BorderManagerServiceProvider implements ServiceProviderInterface
 
                         $checkerObj->restrictToCollections($collections);
                     }
+
+                    if (isset($checker['compare-ignore-collections'])) {
+                        $collections = [];
+                        foreach ($checker['compare-ignore-collections'] as $base_id) {
+                            try {
+                                $collections[] = \collection::getByBaseId($app, $base_id);
+                            } catch (\Exception $e) {
+                                throw new \InvalidArgumentException('Invalid collection option');
+                            }
+                        }
+
+                        $checkerObj->setCompareIgnoreCollections($collections);
+                    }
+
                     $registeredCheckers[] = $checkerObj;
                 } catch (\InvalidArgumentException $e) {
                     $app['monolog']->error(
diff --git a/lib/Alchemy/Phrasea/Databox/Record/LegacyRecordRepository.php b/lib/Alchemy/Phrasea/Databox/Record/LegacyRecordRepository.php
index fe196201a8..30feada346 100644
--- a/lib/Alchemy/Phrasea/Databox/Record/LegacyRecordRepository.php
+++ b/lib/Alchemy/Phrasea/Databox/Record/LegacyRecordRepository.php
@@ -82,6 +82,34 @@ class LegacyRecordRepository implements RecordRepository
         return $this->mapRecordsFromResultSet($result);
     }
 
+    public function findBySha256WithExcludedCollIds($sha256, $excludedCollIds = [])
+    {
+        static $sql;
+
+        if (!$sql) {
+            $qb = $this->createSelectBuilder()
+                ->where('sha256 = :sha256');
+
+            if (!empty($excludedCollIds)) {
+                $qb->andWhere($qb->expr()->notIn('coll_id', ':coll_id'));
+            }
+
+            $sql = $qb->getSQL();
+        }
+
+        $result = $this->databox->get_connection()->fetchAll($sql,
+            [
+                'sha256'  => $sha256,
+                'coll_id' => $excludedCollIds
+            ],
+            [
+                ':coll_id' => Connection::PARAM_INT_ARRAY
+            ]
+        );
+
+        return $this->mapRecordsFromResultSet($result);
+    }
+
     /**
      * @param string $uuid
      * @return \record_adapter[]
@@ -99,6 +127,40 @@ class LegacyRecordRepository implements RecordRepository
         return $this->mapRecordsFromResultSet($result);
     }
 
+    /**
+     * @param string $uuid
+     * @param array $excludedCollIds
+     * @return \record_adapter[]
+     */
+    public function findByUuidWithExcludedCollIds($uuid, $excludedCollIds = [])
+    {
+        static $sql;
+
+        if (!$sql) {
+            $qb = $this->createSelectBuilder()
+                ->where('uuid = :uuid')
+            ;
+
+            if (!empty($excludedCollIds)) {
+                $qb->andWhere($qb->expr()->notIn('coll_id', ':coll_id'));
+            }
+
+            $sql = $qb->getSQL();
+        }
+
+        $result = $this->databox->get_connection()->fetchAll($sql,
+            [
+                'uuid'      => $uuid,
+                'coll_id'   => $excludedCollIds
+            ],
+            [
+                ':coll_id' => Connection::PARAM_INT_ARRAY
+            ]
+        );
+
+        return $this->mapRecordsFromResultSet($result);
+    }
+
     public function findByRecordIds(array $recordIds)
     {
         static $sql;
diff --git a/lib/Alchemy/Phrasea/Databox/Record/RecordRepository.php b/lib/Alchemy/Phrasea/Databox/Record/RecordRepository.php
index 870339a238..bab31055da 100644
--- a/lib/Alchemy/Phrasea/Databox/Record/RecordRepository.php
+++ b/lib/Alchemy/Phrasea/Databox/Record/RecordRepository.php
@@ -26,12 +26,26 @@ interface RecordRepository
      */
     public function findBySha256($sha256);
 
+    /**
+     * @param string $sha256
+     * @param array $excludedCollIds
+     * @return \record_adapter[]
+     */
+    public function findBySha256WithExcludedCollIds($sha256, $excludedCollIds = []);
+
     /**
      * @param string $uuid
      * @return \record_adapter[]
      */
     public function findByUuid($uuid);
 
+    /**
+     * @param string $uuid
+     * @param array $excludedCollIds
+     * @return \record_adapter[]
+     */
+    public function findByUuidWithExcludedCollIds($uuid, $excludedCollIds = []);
+
     /**
      * @param array $recordIds
      * @return \record_adapter[]
diff --git a/lib/classes/record/adapter.php b/lib/classes/record/adapter.php
index 103a2b4cb0..8e181c5d2e 100644
--- a/lib/classes/record/adapter.php
+++ b/lib/classes/record/adapter.php
@@ -1673,6 +1673,43 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
         return $records;
     }
 
+    public static function getRecordsByOriginalnameWithExcludedCollIds(databox $databox, $original_name, $caseSensitive = false, $offset_start = 0, $how_many = 10, $excludedCollIds = [])
+    {
+        $offset_start = max(0, (int)$offset_start);
+        $how_many = max(1, (int)$how_many);
+        $collate = $caseSensitive ? 'utf8_bin' : 'utf8_unicode_ci';
+
+        $qb = $databox->get_connection()->createQueryBuilder()
+            ->select('record_id')
+            ->from('record')
+            ->where('originalname = :original_name COLLATE :collate')
+            ;
+
+        $params = ['original_name' => $original_name, 'collate' => $collate];
+        $types  = [];
+
+        if (!empty($excludedCollIds)) {
+            $qb->andWhere($qb->expr()->notIn('coll_id', ':coll_id'));
+
+            $params['coll_id'] = $excludedCollIds;
+            $types[':coll_id'] = Connection::PARAM_INT_ARRAY;
+        }
+
+        $sql = $qb->setFirstResult($offset_start)
+            ->setMaxResults($how_many)
+            ->getSQL()
+            ;
+
+        $rs = $databox->get_connection()->fetchAll($sql, $params, $types);
+
+        $records = [];
+        foreach ($rs as $row) {
+            $records[] = $databox->get_record($row['record_id']);
+        }
+
+        return $records;
+    }
+
     /**
      * @return set_selection|record_adapter[]
      * @throws Exception