diff --git a/app/services/qualys_service.py b/app/services/qualys_service.py
index 2e206ac..03eecd6 100644
--- a/app/services/qualys_service.py
+++ b/app/services/qualys_service.py
@@ -574,7 +574,7 @@ def _refresh_all_agents_impl(db):
 
     stats = {"created": 0, "updated": 0, "errors": 0, "pages": 0}
     last_id = None
-    max_pages = 20  # garde-fou
+    max_pages = 30  # garde-fou par filtre (multi-pass = max_pages * nb_filtres)
 
     # Autocommit sur la session courante
     try:
@@ -582,15 +582,22 @@ def _refresh_all_agents_impl(db):
     except Exception:
         pass
 
-    while stats["pages"] < max_pages:
+    # Multi-pass : plusieurs filtres tagName CONTAINS pour couvrir la
+    # nomenclature heterogene (SRV, server, SED, SEI, EMV...).
+    # Doublons gere par ON CONFLICT/UPDATE sur qualys_asset_id.
+    tag_filters = ["SRV", "server", "SED", "SEI", "EMV"]
+    current_filter_idx = 0
+    last_id = None
+
+    while current_filter_idx < len(tag_filters):
+        tag_filter = tag_filters[current_filter_idx]
         if _refresh_cancel.is_set():
             stats["ok"] = True
             stats["cancelled"] = True
-            stats["msg"] = f"Annulé après {stats['pages']} pages: {stats['created']} créés, {stats['updated']} mis à jour"
+            stats["msg"] = f"Annulé apres {stats['pages']} pages (filtre={tag_filter}): {stats['created']} créés, {stats['updated']} mis à jour"
             return stats
         stats["pages"] += 1
-        # CONTAINS SRV matche OS-WIN-SRV DYN / OS-LIN-SRV DYN (nomenclature SANEF v3)
-        criteria = [{"field": "tagName", "operator": "CONTAINS", "value": "SRV"}]
+        criteria = [{"field": "tagName", "operator": "CONTAINS", "value": tag_filter}]
         if last_id:
             criteria.append({"field": "id", "operator": "GREATER", "value": str(last_id)})
         payload = {"ServiceRequest": {
@@ -710,14 +717,15 @@ def _refresh_all_agents_impl(db):
 
         db.commit()
 
-        if "<hasMoreRecords>true</hasMoreRecords>" not in r.text:
-            break
-        if new_last_id == last_id:
-            break
-        last_id = new_last_id
+        # Filtre actuel: page suivante OU passe au prochain filtre
+        if "<hasMoreRecords>true</hasMoreRecords>" not in r.text or new_last_id == last_id:
+            current_filter_idx += 1
+            last_id = None
+        else:
+            last_id = new_last_id
 
     stats["ok"] = True
-    stats["msg"] = f"{stats['created']} créés, {stats['updated']} mis à jour ({stats['pages']} pages, {stats['errors']} erreurs)"
+    stats["msg"] = f"{stats['created']} créés, {stats['updated']} mis à jour ({stats['pages']} pages, {stats['errors']} erreurs, {len(tag_filters)} filtres)"
     return stats