diff --git a/src/diracx/cli/internal/legacy.py b/src/diracx/cli/internal/legacy.py
index f7cefea92..1788497f5 100644
--- a/src/diracx/cli/internal/legacy.py
+++ b/src/diracx/cli/internal/legacy.py
@@ -106,6 +106,12 @@ def _apply_fixes(raw, conversion_config: Path):
             "Users": {},
             "Groups": {},
         }
+
+        support_message = (
+            original_registry.get("VO", {}).get(vo, {}).get("SupportMessage")
+        )
+        if support_message:
+            raw["Registry"][vo]["SupportMessage"] = support_message
         if "DefaultStorageQuota" in original_registry:
             raw["Registry"][vo]["DefaultStorageQuota"] = original_registry[
                 "DefaultStorageQuota"
diff --git a/src/diracx/core/config/schema.py b/src/diracx/core/config/schema.py
index e7b78b5ea..71da38d6a 100644
--- a/src/diracx/core/config/schema.py
+++ b/src/diracx/core/config/schema.py
@@ -69,6 +69,7 @@ def server_metadata_url(self):
 
 class RegistryConfig(BaseModel):
     IdP: IdpConfig
+    SupportMessage: str = "Please contact system administrator"
     DefaultGroup: str
     DefaultStorageQuota: float = 0
     DefaultProxyLifeTime: int = 12 * 60 * 60
diff --git a/src/diracx/routers/well_known.py b/src/diracx/routers/well_known.py
index 9f7b93f1f..f706f0576 100644
--- a/src/diracx/routers/well_known.py
+++ b/src/diracx/routers/well_known.py
@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from typing import Any
+
 from fastapi import Request
 
 from diracx.routers.auth import AuthSettings
@@ -40,3 +42,27 @@ async def openid_configuration(
         "token_endpoint_auth_methods_supported": ["none"],
         "code_challenge_methods_supported": ["S256"],
     }
+
+
+@router.get("/dirac")
+async def dirac_configuration(
+    config: Config,
+):
+    vos: dict[str, Any] = {}
+    vos["virtual_organisations"] = []
+    for vo in config.Registry:
+        infos: dict[str, Any] = {}
+        infos[vo] = {}
+        infos[vo]["groups"] = {}
+        for g in config.Registry[vo].Groups:
+            infos[vo]["groups"][g] = {}
+            infos[vo]["groups"][g]["properties"] = sorted(
+                config.Registry[vo].Groups[g].Properties
+            )
+
+        infos[vo]["SupportMessage"] = config.Registry[vo].SupportMessage
+        infos[vo]["default_group"] = config.Registry[vo].DefaultGroup
+
+        vos["virtual_organisations"].append(infos)
+
+    return vos
diff --git a/tests/cli/legacy/cs_sync/integration_test.cfg b/tests/cli/legacy/cs_sync/integration_test.cfg
index d1da5b17a..25c5fa008 100644
--- a/tests/cli/legacy/cs_sync/integration_test.cfg
+++ b/tests/cli/legacy/cs_sync/integration_test.cfg
@@ -1451,6 +1451,7 @@ Registry
     #@@-prod - /C=ch/O=DIRAC/OU=DIRAC CI/CN=ciuser - 2023-10-02 12:36:08
     Jenkins
     {
+      SupportMessage = contact tata@yoyo.fr
       #@@-prod - /C=ch/O=DIRAC/OU=DIRAC CI/CN=ciuser - 2023-10-02 12:36:08
       VOMSName = myVOMS
     }
diff --git a/tests/cli/legacy/cs_sync/integration_test.yaml b/tests/cli/legacy/cs_sync/integration_test.yaml
index ec54e3343..50f6204c7 100644
--- a/tests/cli/legacy/cs_sync/integration_test.yaml
+++ b/tests/cli/legacy/cs_sync/integration_test.yaml
@@ -69,6 +69,7 @@ Registry:
     IdP:
       ClientID: 995ed3b9-d5bd-49d3-a7f4-7fc7dbd5a0cd
       URL: https://jenkins.invalid/
+    SupportMessage: "contact tata@yoyo.fr"
     Users:
       26dbe36e-cf5c-4c52-a834-29a1c904ef74:
         Email: lhcb-dirac-ci@cern.ch
diff --git a/tests/cli/legacy/cs_sync/test_cssync.py b/tests/cli/legacy/cs_sync/test_cssync.py
index 4cfa179a5..3c3c5a221 100644
--- a/tests/cli/legacy/cs_sync/test_cssync.py
+++ b/tests/cli/legacy/cs_sync/test_cssync.py
@@ -4,6 +4,7 @@
 from typer.testing import CliRunner
 
 from diracx.cli import app
+from diracx.core.config.schema import Config
 
 runner = CliRunner()
 
@@ -28,7 +29,7 @@ def test_cs_sync(tmp_path, monkeypatch):
     )
     assert result.exit_code == 0
     assert output_file.is_file()
-
     actual_output = yaml.safe_load(output_file.read_text())
     expected_output = yaml.safe_load((file_path / "integration_test.yaml").read_text())
     assert actual_output == expected_output
+    Config.parse_obj(actual_output)
diff --git a/tests/conftest.py b/tests/conftest.py
index 6a067074f..9db3e055c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -169,6 +169,7 @@ def with_config_repo(tmp_path):
             "Registry": {
                 "lhcb": {
                     "DefaultGroup": "lhcb_user",
+                    "SupportMessage": "Please contact administrator",
                     "DefaultProxyLifeTime": 432000,
                     "DefaultStorageQuota": 2000,
                     "IdP": {
diff --git a/tests/routers/test_generic.py b/tests/routers/test_generic.py
index d34b12cd1..6535bee87 100644
--- a/tests/routers/test_generic.py
+++ b/tests/routers/test_generic.py
@@ -8,3 +8,10 @@ def test_oidc_configuration(test_client):
     r = test_client.get("/.well-known/openid-configuration")
     assert r.status_code == 200
     assert r.json()
+
+
+def test_dirac_configuration(test_client):
+    r = test_client.get("/.well-known/dirac")
+
+    assert r.status_code == 200
+    assert r.json()