diff --git a/services/director-v2/src/simcore_service_director_v2/modules/comp_scheduler/_scheduler_base.py b/services/director-v2/src/simcore_service_director_v2/modules/comp_scheduler/_scheduler_base.py
index b14e7e4f0cb..9d40b534db9 100644
--- a/services/director-v2/src/simcore_service_director_v2/modules/comp_scheduler/_scheduler_base.py
+++ b/services/director-v2/src/simcore_service_director_v2/modules/comp_scheduler/_scheduler_base.py
@@ -590,9 +590,7 @@ async def _process_executing_tasks(
         """process executing tasks from the 3rd party backend"""
 
     @abstractmethod
-    async def _release_resources(
-        self, user_id: UserID, project_id: ProjectID, comp_run: CompRunsAtDB
-    ) -> None:
+    async def _release_resources(self, comp_run: CompRunsAtDB) -> None:
         """release resources used by the scheduler for a given user and project"""
 
     async def apply(
@@ -660,7 +658,7 @@ async def apply(
 
                 # 7. Are we done scheduling that pipeline?
                 if not dag.nodes() or pipeline_result in COMPLETED_STATES:
-                    await self._release_resources(user_id, project_id, comp_run)
+                    await self._release_resources(comp_run)
                     # there is nothing left, the run is completed, we're done here
                     _logger.info(
                         "pipeline %s scheduling completed with result %s",
diff --git a/services/director-v2/src/simcore_service_director_v2/modules/comp_scheduler/_scheduler_dask.py b/services/director-v2/src/simcore_service_director_v2/modules/comp_scheduler/_scheduler_dask.py
index 21316769343..1fb4564ab24 100644
--- a/services/director-v2/src/simcore_service_director_v2/modules/comp_scheduler/_scheduler_dask.py
+++ b/services/director-v2/src/simcore_service_director_v2/modules/comp_scheduler/_scheduler_dask.py
@@ -56,7 +56,7 @@
 
 _logger = logging.getLogger(__name__)
 
-_DASK_CLIENT_RUN_REF: Final[str] = "{user_id}:{run_id}"
+_DASK_CLIENT_RUN_REF: Final[str] = "{user_id}:{project_id}:{run_id}"
 
 
 @asynccontextmanager
@@ -65,6 +65,7 @@ async def _cluster_dask_client(
     scheduler: "DaskScheduler",
     *,
     use_on_demand_clusters: bool,
+    project_id: ProjectID,
     run_id: PositiveInt,
     run_metadata: RunMetadataDict,
 ) -> AsyncIterator[DaskClient]:
@@ -76,7 +77,10 @@ async def _cluster_dask_client(
             wallet_id=run_metadata.get("wallet_id"),
         )
     async with scheduler.dask_clients_pool.acquire(
-        cluster, ref=_DASK_CLIENT_RUN_REF.format(user_id=user_id, run_id=run_id)
+        cluster,
+        ref=_DASK_CLIENT_RUN_REF.format(
+            user_id=user_id, project_id=project_id, run_id=run_id
+        ),
     ) as client:
         yield client
 
@@ -106,6 +110,7 @@ async def _start_tasks(
             user_id,
             self,
             use_on_demand_clusters=comp_run.use_on_demand_clusters,
+            project_id=comp_run.project_uuid,
             run_id=comp_run.run_id,
             run_metadata=comp_run.metadata,
         ) as client:
@@ -157,6 +162,7 @@ async def _get_tasks_status(
                 user_id,
                 self,
                 use_on_demand_clusters=comp_run.use_on_demand_clusters,
+                project_id=comp_run.project_uuid,
                 run_id=comp_run.run_id,
                 run_metadata=comp_run.metadata,
             ) as client:
@@ -178,6 +184,7 @@ async def _process_executing_tasks(
                 user_id,
                 self,
                 use_on_demand_clusters=comp_run.use_on_demand_clusters,
+                project_id=comp_run.project_uuid,
                 run_id=comp_run.run_id,
                 run_metadata=comp_run.metadata,
             ) as client:
@@ -225,20 +232,22 @@ async def _process_executing_tasks(
             )
         )
 
-    async def _release_resources(
-        self, user_id: UserID, project_id: ProjectID, comp_run: CompRunsAtDB
-    ) -> None:
+    async def _release_resources(self, comp_run: CompRunsAtDB) -> None:
         """release resources used by the scheduler for a given user and project"""
         with (
             log_catch(_logger, reraise=False),
             log_context(
                 _logger,
                 logging.INFO,
-                msg=f"releasing resources for {user_id=}, {project_id=}, {comp_run.run_id=}",
+                msg=f"releasing resources for {comp_run.user_id=}, {comp_run.project_uuid=}, {comp_run.run_id=}",
             ),
         ):
             await self.dask_clients_pool.release_client_ref(
-                ref=_DASK_CLIENT_RUN_REF.format(user_id=user_id, run_id=comp_run.run_id)
+                ref=_DASK_CLIENT_RUN_REF.format(
+                    user_id=comp_run.user_id,
+                    project_id=comp_run.project_uuid,
+                    run_id=comp_run.run_id,
+                )
             )
 
     async def _stop_tasks(
@@ -250,6 +259,7 @@ async def _stop_tasks(
                 user_id,
                 self,
                 use_on_demand_clusters=comp_run.use_on_demand_clusters,
+                project_id=comp_run.project_uuid,
                 run_id=comp_run.run_id,
                 run_metadata=comp_run.metadata,
             ) as client:
@@ -284,6 +294,7 @@ async def _process_completed_tasks(
                 user_id,
                 self,
                 use_on_demand_clusters=comp_run.use_on_demand_clusters,
+                project_id=comp_run.project_uuid,
                 run_id=comp_run.run_id,
                 run_metadata=comp_run.metadata,
             ) as client:
@@ -304,6 +315,7 @@ async def _process_completed_tasks(
                 user_id,
                 self,
                 use_on_demand_clusters=comp_run.use_on_demand_clusters,
+                project_id=comp_run.project_uuid,
                 run_id=comp_run.run_id,
                 run_metadata=comp_run.metadata,
             ) as client: