diff --git a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-1.json b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-1.json
index ebb6b1a010358c3dad5f36e477f293a993debdb9..ba8a568aa2ada2c8efb3c81d629805d6622912fc 100644
--- a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-1.json
+++ b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-1.json
@@ -256,7 +256,7 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
       "production"
diff --git a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-2.json b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-2.json
index 95a59a8068d14db127ad36d99d013f43e8acd0fe..336201e2ea159150200936e3c815a5314934d2f4 100644
--- a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-2.json
+++ b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-2.json
@@ -256,7 +256,7 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
       "production"
diff --git a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-3.json b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-3.json
index e29a9913a8a6a1187b51bc529805c31f1c5a0b53..ddc2b9b38fc2d3f86251131447be912fc0fb9c16 100644
--- a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-3.json
+++ b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-3.json
@@ -256,7 +256,7 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
       "production"
diff --git a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-4.json b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-4.json
index 076f121c41a3253df9211b512ef942dbdc2ab951..91d2a28a148471fc5e311bb715f52114210a40fe 100644
--- a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-4.json
+++ b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-4.json
@@ -256,7 +256,7 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
       "production"
diff --git a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-5.json b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-5.json
index 36f950eda6e25016a2d771755c87b11b410e01ac..3e6054d49af1d745f78580d54f14dafbd2131bb7 100644
--- a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-5.json
+++ b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-5.json
@@ -256,7 +256,7 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
       "production"
diff --git a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-6.json b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-6.json
index c986fa4822297f6463d5b8a835b656d959596828..b125a4a1cb22bddaeef1601a63898c16ecd4f4a9 100644
--- a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-6.json
+++ b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-6.json
@@ -256,7 +256,7 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
       "production"
diff --git a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-7.json b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-7.json
index 4fe4fa67c0e791723aff22ef67e85c7adc3891a9..812099d0de62d4510002259e33059112deee5649 100644
--- a/data/grid5000/sites/nancy/clusters/gres/nodes/gres-7.json
+++ b/data/grid5000/sites/nancy/clusters/gres/nodes/gres-7.json
@@ -256,7 +256,7 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
       "production"
diff --git a/input/grid5000/sites/nancy/clusters/gres/gres.yaml b/input/grid5000/sites/nancy/clusters/gres/gres.yaml
index 5a81647666830ee355d2742529a5d665cdf63fe7..7562ada7d8e7062be38ec93b0031b32d003e5919 100644
--- a/input/grid5000/sites/nancy/clusters/gres/gres.yaml
+++ b/input/grid5000/sites/nancy/clusters/gres/gres.yaml
@@ -18,7 +18,7 @@ nodes:
     supported_job_types:
       deploy: true
       besteffort: true
-      max_walltime: 0
+      max_walltime: 604800
     processor:
       microarchitecture: Zen 4
       clock_speed: 2900000000