diff --git a/app/Actions/Service/DeleteService.php b/app/Actions/Service/DeleteService.php
index 2e0010cdaa..0b511c6dca 100644
--- a/app/Actions/Service/DeleteService.php
+++ b/app/Actions/Service/DeleteService.php
@@ -20,29 +20,60 @@ class DeleteService
 
         $this->removeContainers($service);
 
-        if ($deleteVolumes) {
-            $commands = [];
-            foreach ($service->applications()->get() as $application) {
-                foreach ($application->persistentStorages()->get() as $storage) {
-                    $commands[] = 'docker volume rm -f '.escapeshellarg($storage->name);
-                }
-            }
-            foreach ($service->databases()->get() as $database) {
-                foreach ($database->persistentStorages()->get() as $storage) {
-                    $commands[] = 'docker volume rm -f '.escapeshellarg($storage->name);
-                }
-            }
-            foreach ($commands as $command) {
-                instant_remote_process([$command], $server);
-            }
-        }
+        $failedVolumes = $deleteVolumes ? $this->removeVolumes($service) : [];
 
         if ($deleteConnectedNetworks) {
             $service->deleteConnectedNetworks();
         }
+        // The configuration directory holds the .env file with plaintext secrets, so it is removed
+        // also when a volume could not be removed.
         if ($deleteConfigurations) {
             $service->deleteConfigurations();
         }
+
+        if ($failedVolumes !== []) {
+            Log::warning('Could not remove all volumes of a deleted service.', [
+                'service_uuid' => $service->uuid,
+                'server_uuid' => $server->uuid,
+                'volumes' => $failedVolumes,
+            ]);
+
+            throw new RuntimeException('Could not remove these volumes: '.collect($failedVolumes)
+                ->map(fn (string $error, string $volume): string => "{$volume} ({$error})")
+                ->implode(', '));
+        }
+    }
+
+    /**
+     * Removes every volume of the service. A volume that cannot be removed (for example because
+     * another container still uses it) does not stop the removal of the others.
+     *
+     * @return array<string, string> The error message of each volume that could not be removed.
+     */
+    private function removeVolumes(Service $service): array
+    {
+        $volumeNames = [];
+        foreach ($service->applications()->get() as $application) {
+            foreach ($application->persistentStorages()->get() as $storage) {
+                $volumeNames[] = $storage->name;
+            }
+        }
+        foreach ($service->databases()->get() as $database) {
+            foreach ($database->persistentStorages()->get() as $storage) {
+                $volumeNames[] = $storage->name;
+            }
+        }
+
+        $failedVolumes = [];
+        foreach ($volumeNames as $volumeName) {
+            try {
+                instant_remote_process(['docker volume rm -f '.escapeshellarg($volumeName)], $service->server);
+            } catch (Throwable $e) {
+                $failedVolumes[$volumeName] = $e->getMessage();
+            }
+        }
+
+        return $failedVolumes;
     }
 
     /**
diff --git a/app/Http/Controllers/Api/ServicesController.php b/app/Http/Controllers/Api/ServicesController.php
index 63a1a8daf7..dba19f6751 100644
--- a/app/Http/Controllers/Api/ServicesController.php
+++ b/app/Http/Controllers/Api/ServicesController.php
@@ -1054,7 +1054,8 @@ class ServicesController extends Controller
 
         $service->delete();
 
-        $deleteFromCoolifyOnly = $request->boolean('delete_from_coolify_only') || ! $service->server?->isFunctional();
+        $deleteFromCoolifyOnlyRequested = $request->boolean('delete_from_coolify_only');
+        $deleteFromCoolifyOnly = $deleteFromCoolifyOnlyRequested || ! $service->server?->isFunctional();
 
         DeleteResourceJob::dispatch(
             resource: $service,
@@ -1072,11 +1073,13 @@ class ServicesController extends Controller
             'delete_from_coolify_only' => $deleteFromCoolifyOnly,
         ]);
 
-        return response()->json([
-            'message' => $deleteFromCoolifyOnly
-                ? 'Server is not reachable. The service will be removed from Coolify only; Docker resources may remain.'
-                : 'Service deletion request queued.',
-        ]);
+        $message = match (true) {
+            $deleteFromCoolifyOnlyRequested => 'The service will be removed from Coolify only; Docker resources will remain.',
+            $deleteFromCoolifyOnly => 'Server is not reachable. The service will be removed from Coolify only; Docker resources may remain.',
+            default => 'Service deletion request queued.',
+        };
+
+        return response()->json(['message' => $message]);
     }
 
     #[OA\Patch(
diff --git a/app/Jobs/DeleteResourceJob.php b/app/Jobs/DeleteResourceJob.php
index deba20d99a..3d0e62e766 100644
--- a/app/Jobs/DeleteResourceJob.php
+++ b/app/Jobs/DeleteResourceJob.php
@@ -11,6 +11,7 @@ use App\Enums\ApplicationDeploymentStatus;
 use App\Models\Application;
 use App\Models\ApplicationDeploymentQueue;
 use App\Models\ApplicationPreview;
+use App\Models\ScheduledVolumeBackup;
 use App\Models\Service;
 use App\Models\StandaloneClickhouse;
 use App\Models\StandaloneDragonfly;
@@ -28,6 +29,7 @@ use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 
@@ -55,6 +57,9 @@ class DeleteResourceJob implements ShouldBeEncrypted, ShouldQueue
         }
 
         if ($this->deleteFromCoolifyOnly && $this->resource instanceof Service) {
+            // No remote calls on this path: remove only the schedule records, so the scheduler does
+            // not keep running backups of volumes that no longer exist in Coolify.
+            $this->volumeBackupSchedules()->each->delete();
             $this->deleteLocalResource();
 
             return;
@@ -170,19 +175,24 @@ class DeleteResourceJob implements ShouldBeEncrypted, ShouldQueue
     private function deleteScheduledVolumeBackups(): void
     {
         $server = data_get($this->resource, 'server') ?? data_get($this->resource, 'destination.server');
+
+        foreach ($this->volumeBackupSchedules() as $backup) {
+            DeleteScheduledVolumeBackup::run($backup, $server);
+        }
+    }
+
+    /**
+     * @return Collection<int, ScheduledVolumeBackup>
+     */
+    private function volumeBackupSchedules(): Collection
+    {
         $resources = $this->resource instanceof Service
             ? $this->resource->applications()->get()->concat($this->resource->databases()->get())
             : collect([$this->resource]);
 
-        foreach ($resources as $resource) {
-            $storages = $resource->persistentStorages()->get()->concat($resource->fileStorages()->get());
-
-            foreach ($storages as $storage) {
-                foreach ($storage->scheduledBackups()->get() as $backup) {
-                    DeleteScheduledVolumeBackup::run($backup, $server);
-                }
-            }
-        }
+        return $resources->flatMap(fn ($resource) => $resource->persistentStorages()->get()
+            ->concat($resource->fileStorages()->get())
+            ->flatMap(fn ($storage) => $storage->scheduledBackups()->get()));
     }
 
     private function deleteApplicationPreview(): void
diff --git a/tests/Feature/Api/ServiceDeleteMessageApiTest.php b/tests/Feature/Api/ServiceDeleteMessageApiTest.php
new file mode 100644
index 0000000000..6cc34f4ffd
--- /dev/null
+++ b/tests/Feature/Api/ServiceDeleteMessageApiTest.php
@@ -0,0 +1,87 @@
+<?php
+
+use App\Jobs\DeleteResourceJob;
+use App\Models\Environment;
+use App\Models\InstanceSettings;
+use App\Models\Project;
+use App\Models\Server;
+use App\Models\Service;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Queue;
+use Illuminate\Support\Facades\Storage;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    Server::flushIdentityMap();
+    Storage::fake('ssh-mux');
+    Queue::fake();
+    InstanceSettings::forceCreate(['id' => 0, 'is_api_enabled' => true]);
+
+    $this->team = Team::factory()->create();
+    $this->user = User::factory()->create();
+    $this->team->members()->attach($this->user->id, ['role' => 'owner']);
+    session(['currentTeam' => $this->team]);
+    $token = $this->user->createToken('service-delete-message', ['write']);
+    $token->accessToken->forceFill(['team_id' => $this->team->id])->save();
+    $this->bearerToken = $token->plainTextToken;
+
+    $this->server = Server::factory()->create(['team_id' => $this->team->id, 'ip' => '10.20.30.40']);
+    $destination = $this->server->standaloneDockers()->firstOrFail();
+    $project = Project::factory()->create(['team_id' => $this->team->id]);
+    $environment = Environment::factory()->create(['project_id' => $project->id]);
+    $this->service = Service::factory()->create([
+        'environment_id' => $environment->id,
+        'destination_id' => $destination->id,
+        'destination_type' => $destination->getMorphClass(),
+        'server_id' => $this->server->id,
+    ]);
+});
+
+function setServiceDeleteServerReachable(Server $server, bool $reachable): void
+{
+    $server->settings->forceFill([
+        'is_reachable' => $reachable,
+        'is_usable' => $reachable,
+        'force_disabled' => false,
+    ])->save();
+    Server::flushIdentityMap();
+}
+
+test('explicit delete from coolify only does not claim the server is unreachable', function (bool $serverReachable) {
+    setServiceDeleteServerReachable($this->server, $serverReachable);
+
+    $this->withToken($this->bearerToken)
+        ->deleteJson("/api/v1/services/{$this->service->uuid}?delete_from_coolify_only=true")
+        ->assertOk()
+        ->assertJsonPath('message', 'The service will be removed from Coolify only; Docker resources will remain.');
+
+    Queue::assertPushed(DeleteResourceJob::class, fn (DeleteResourceJob $job): bool => $job->deleteFromCoolifyOnly);
+})->with([
+    'reachable server' => [true],
+    'unreachable server' => [false],
+]);
+
+test('delete on a reachable server queues a full deletion', function () {
+    setServiceDeleteServerReachable($this->server, true);
+
+    $this->withToken($this->bearerToken)
+        ->deleteJson("/api/v1/services/{$this->service->uuid}")
+        ->assertOk()
+        ->assertJsonPath('message', 'Service deletion request queued.');
+
+    Queue::assertPushed(DeleteResourceJob::class, fn (DeleteResourceJob $job): bool => ! $job->deleteFromCoolifyOnly);
+});
+
+test('delete on an unreachable server falls back to removing from coolify only', function () {
+    setServiceDeleteServerReachable($this->server, false);
+
+    $this->withToken($this->bearerToken)
+        ->deleteJson("/api/v1/services/{$this->service->uuid}")
+        ->assertOk()
+        ->assertJsonPath('message', 'Server is not reachable. The service will be removed from Coolify only; Docker resources may remain.');
+
+    Queue::assertPushed(DeleteResourceJob::class, fn (DeleteResourceJob $job): bool => $job->deleteFromCoolifyOnly);
+});
diff --git a/tests/Feature/DeleteServiceRemoteCleanupTest.php b/tests/Feature/DeleteServiceRemoteCleanupTest.php
new file mode 100644
index 0000000000..52affebdfe
--- /dev/null
+++ b/tests/Feature/DeleteServiceRemoteCleanupTest.php
@@ -0,0 +1,94 @@
+<?php
+
+use App\Actions\Service\DeleteService;
+use App\Jobs\DeleteResourceJob;
+use App\Models\Environment;
+use App\Models\InstanceSettings;
+use App\Models\PrivateKey;
+use App\Models\Project;
+use App\Models\ScheduledVolumeBackup;
+use App\Models\Server;
+use App\Models\Service;
+use App\Models\ServiceApplication;
+use App\Models\ServiceDatabase;
+use App\Models\StandaloneDocker;
+use App\Models\Team;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Process;
+use Illuminate\Support\Facades\Queue;
+use Illuminate\Support\Facades\Storage;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    Server::flushIdentityMap();
+    InstanceSettings::unguarded(fn () => InstanceSettings::firstOrCreate(['id' => 0]));
+    Storage::fake('ssh-keys');
+    Storage::fake('ssh-mux');
+    Queue::fake();
+
+    $team = Team::factory()->create();
+    $server = Server::factory()->create(['team_id' => $team->id]);
+    $privateKey = PrivateKey::factory()->create(['team_id' => $team->id]);
+    $server->update(['private_key_id' => $privateKey->id]);
+    $server->settings()->update(['is_reachable' => true, 'is_usable' => true]);
+    $destination = StandaloneDocker::where('server_id', $server->id)->firstOrFail();
+    $project = Project::factory()->create(['team_id' => $team->id]);
+    $environment = $project->environments()->first()
+        ?? Environment::factory()->create(['project_id' => $project->id]);
+
+    $this->service = Service::factory()->create([
+        'environment_id' => $environment->id,
+        'server_id' => $server->id,
+        'destination_id' => $destination->id,
+        'destination_type' => $destination->getMorphClass(),
+    ]);
+    $this->serviceApplication = ServiceApplication::create(['service_id' => $this->service->id, 'name' => 'web', 'image' => 'nginx:alpine']);
+    $this->serviceDatabase = ServiceDatabase::create(['service_id' => $this->service->id, 'name' => 'db', 'image' => 'postgres:17-alpine']);
+    $this->inUseVolume = $this->serviceApplication->persistentStorages()->create([
+        'name' => "{$this->service->uuid}_web-data",
+        'mount_path' => '/data',
+        'host_path' => null,
+    ]);
+    $this->serviceDatabase->persistentStorages()->create([
+        'name' => "{$this->service->uuid}_db-data",
+        'mount_path' => '/var/lib/postgresql/data',
+        'host_path' => null,
+    ]);
+});
+
+it('removes the other volumes, networks and the configuration directory when one volume is in use', function () {
+    $commands = collect();
+    Process::fake(function ($process) use ($commands) {
+        $commands->push($process->command);
+        if (str_contains($process->command, "docker volume rm -f '{$this->service->uuid}_web-data'")) {
+            return Process::result(errorOutput: "Error response from daemon: remove {$this->service->uuid}_web-data: volume is in use", exitCode: 1);
+        }
+
+        return Process::result(output: '');
+    });
+
+    expect(fn () => app(DeleteService::class)->cleanupRemote($this->service, deleteVolumes: true, deleteConnectedNetworks: true, deleteConfigurations: true))
+        ->toThrow(RuntimeException::class, "{$this->service->uuid}_web-data");
+
+    $commandList = $commands->implode("\n");
+    expect($commandList)
+        ->toContain("docker volume rm -f '{$this->service->uuid}_db-data'")
+        ->toContain("docker network rm {$this->service->uuid}")
+        ->toContain('rm -rf '.$this->service->workdir());
+});
+
+it('removes volume backup schedules when a service is deleted from Coolify only', function () {
+    $backup = $this->inUseVolume->scheduledBackups()->create([
+        'team_id' => $this->service->environment->project->team_id,
+        'frequency' => 'daily',
+        'timeout' => 3600,
+    ]);
+    Process::fake();
+
+    (new DeleteResourceJob($this->service, deleteFromCoolifyOnly: true))->handle();
+
+    Process::assertNothingRan();
+    expect(ScheduledVolumeBackup::query()->find($backup->id))->toBeNull()
+        ->and(Service::withTrashed()->find($this->service->id))->toBeNull();
+});