diff --git a/arcane/CMakeLists.txt b/arcane/CMakeLists.txt
index 7dcc7145c1..51914d4035 100644
--- a/arcane/CMakeLists.txt
+++ b/arcane/CMakeLists.txt
@@ -553,7 +553,19 @@ if (NOT ARCANE_WANT_NOMPI)
   arcane_find_package(MPI)
 endif()
 arcane_find_package(Valgrind)
-include(${CMAKE_CURRENT_LIST_DIR}/cmake/FindFlexLM.cmake)
+
+# Définir la variable PROTECTION comme valeur par défaut : FLEXLM
+set(PROTECTION "FLEXLM" CACHE STRING "Specify the license system (FLEXLM or RLM)")
+
+# Vérifiez la valeur de PROTECTION
+if(PROTECTION STREQUAL "FLEXLM")
+    include(${CMAKE_CURRENT_LIST_DIR}/cmake/FindFlexLM.cmake)
+elseif(PROTECTION STREQUAL "RLM")
+    include(${CMAKE_CURRENT_LIST_DIR}/cmake/FindRLM.cmake)
+else()
+    message(FATAL_ERROR "Invalid value for PROTECTION: ${PROTECTION}. Please use FLEXLM or RLM.")
+endif()
+
 message(STATUS "----------------------------------------------------")
 
 # default package list
@@ -655,9 +667,9 @@ if(ARCANE_WANT_LONGDOUBLE)
 endif()
 
 IF(NOT FLEXLM_FOUND)
-  MESSAGE(STATUS "PACKAGE: FlexLM         : not found")
+  MESSAGE(STATUS "PACKAGE: ${FLEXLM_PROTECTION_NAME}         : not found")
 ELSE(NOT FLEXLM_FOUND)
-  MESSAGE(STATUS "PACKAGE: FlexLM         : ${FLEXLM_LIBRARIES}")
+  MESSAGE(STATUS "PACKAGE: ${FLEXLM_PROTECTION_NAME}         : ${FLEXLM_LIBRARIES}")
 ENDIF(NOT FLEXLM_FOUND)
 
 IF(ARCANE_CONFIGURE_WANT_MPC)
@@ -757,6 +769,14 @@ if(FLEXLM_FOUND)
   list(APPEND ARCANE_EXTERNAL_LIBRARIES ${FLEXLM_LIBRARIES})
   # TODO: a priori cette variable n'est plust utilisée donc on devrait pouvoir la supprimer
   list(APPEND ARCANE_EXTERNAL_LIBRARY_DIRS ${FLEXLM_LIBRARY_DIRS})
+  # TODO: à retirer lors de la migration vers RLM
+  #       cette définition a pour but d'utiliser la feature Arcane de la license de test RLM
+  #       qui ne contient pas de feature ArcaneCore, voir :
+  #       - arcane/src/arcane/impl/FlexLMTools.h
+  #       - arcane/src/arcane/impl/FlexLMTools.cc
+  if("${FLEXLM_PROTECTION_NAME}" STREQUAL "RLM")
+    ADD_DEFINITIONS(-DARCANE_TEST_RLM)
+  endif()
 endif()
 
 if(ARCANE_USE_MPC)
diff --git a/arcane/cmake/FindFlexLM.cmake b/arcane/cmake/FindFlexLM.cmake
index eaf52d575f..626138c78f 100644
--- a/arcane/cmake/FindFlexLM.cmake
+++ b/arcane/cmake/FindFlexLM.cmake
@@ -6,6 +6,7 @@
 # FLEXLM_LIBRARIES, the libraries to link against to use FlexlmAPI.
 # FLEXLM_LIBRARY_DIRS, the library path to link against to use FlexlmAPI.
 # FLEXLM_FOUND, If false, do not try to use FlexlmAPI.
+# FLEXLM_PROTECTION_NAME, return the protection name : FLEXLM
 
 if(NOT FLEXLM_ROOT)
   set(FLEXLM_ROOT $ENV{FLEXLM_ROOT})
@@ -59,6 +60,7 @@ IF(FLEXLM_INCLUDE_DIR)
     # erreur dans une recherche de lib
   ELSE(FLEXLM_LIBRARY_FAILED)
     SET(FLEXLM_FOUND "YES")
+    SET(FLEXLM_PROTECTION_NAME "FLEXLM")
     # Biblioth�ques syst�mes suppl�mentaires
     if(WIN32)
       SET(FLEXLM_LIBRARIES ${FLEXLM_LIBRARY} oldnames.lib kernel32.lib user32.lib netapi32.lib
diff --git a/arcane/cmake/FindRLM.cmake b/arcane/cmake/FindRLM.cmake
new file mode 100644
index 0000000000..a0c86ab68b
--- /dev/null
+++ b/arcane/cmake/FindRLM.cmake
@@ -0,0 +1,72 @@
+#
+# Find the FLEXLM includes and library (FlexlmAPI)
+#
+# This module defines
+# FLEXLM_INCLUDE_DIR, where to find headers to use RLM (FlexlmAPI)
+# FLEXLM_LIBRARIES, the libraries to link against to use RLM (FlexlmAPI)
+# FLEXLM_LIBRARY_DIRS, the library path to link against to use RLM (FlexlmAPI)
+# FLEXLM_FOUND, if false, do not try to use RLM (FlexlmAPI)
+# FLEXLM_PROTECTION_NAME, return the protection name : RLM
+
+if(NOT RLM_ROOT)
+  set(RLM_ROOT $ENV{RLM_ROOT})
+endif()
+
+# Replace \ by / in RLM_ROOT
+if(RLM_ROOT)
+  string(REPLACE "\\" "/" RLM_ROOT ${RLM_ROOT})
+endif()
+
+# HINTS can be removed when using find_package for FLEXLM
+FIND_PATH(FLEXLM_INCLUDE_DIR FlexlmAPI.h HINTS ${RLM_ROOT}/include)
+
+
+SET(FLEXLM_LIBRARY)
+SET(FLEXLM_LIBRARY_FAILED)
+
+IF(WIN32)
+  FOREACH(WANTED_LIB licenseapi rlm1603)
+    FIND_LIBRARY(FLEXLM_SUB_LIBRARY_${WANTED_LIB} ${WANTED_LIB} HINTS ${RLM_ROOT}/lib)
+    MESSAGE(STATUS "Look for RLM lib ${WANTED_LIB} : ${FLEXLM_SUB_LIBRARY_${WANTED_LIB}}")
+    IF(FLEXLM_SUB_LIBRARY_${WANTED_LIB})
+      SET(FLEXLM_LIBRARY ${FLEXLM_LIBRARY} ${FLEXLM_SUB_LIBRARY_${WANTED_LIB}})
+      GET_FILENAME_COMPONENT(FLEXLM_SUB_PATHLIB_${WANTED_LIB} ${FLEXLM_SUB_LIBRARY_${WANTED_LIB}} PATH)
+      LIST(APPEND FLEXLM_LIBRARY_DIRS ${FLEXLM_LIBRARY_DIRS} ${FLEXLM_SUB_PATHLIB_${WANTED_LIB}})
+    ELSE(FLEXLM_SUB_LIBRARY_${WANTED_LIB})
+      SET(FLEXLM_LIBRARY_FAILED "YES")
+    ENDIF(FLEXLM_SUB_LIBRARY_${WANTED_LIB})
+  ENDFOREACH(WANTED_LIB)
+ELSE(WIN32)
+  FOREACH(WANTED_LIB licenseapi rlm)
+    FIND_LIBRARY(FLEXLM_SUB_LIBRARY_${WANTED_LIB} ${WANTED_LIB} HINTS ${RLM_ROOT}/lib)
+    MESSAGE(STATUS "Look for RLM lib ${WANTED_LIB} : ${FLEXLM_SUB_LIBRARY_${WANTED_LIB}}")
+    IF(FLEXLM_SUB_LIBRARY_${WANTED_LIB})
+      GET_FILENAME_COMPONENT(FLEXLM_SUB_NAMELIB_${WANTED_LIB} ${FLEXLM_SUB_LIBRARY_${WANTED_LIB}} NAME_WE)
+      STRING(REGEX REPLACE "^lib" "" FLEXLM_SUB_NAMELIB_${WANTED_LIB} ${FLEXLM_SUB_NAMELIB_${WANTED_LIB}})
+      GET_FILENAME_COMPONENT(FLEXLM_SUB_PATHLIB_${WANTED_LIB} ${FLEXLM_SUB_LIBRARY_${WANTED_LIB}} PATH)
+      # SET(FLEXLM_LIBRARY ${FLEXLM_LIBRARY} ${FLEXLM_SUB_LIBRARY_${WANTED_LIB}})
+      SET(FLEXLM_LIBRARY ${FLEXLM_LIBRARY} ${FLEXLM_SUB_NAMELIB_${WANTED_LIB}})
+      LIST(APPEND FLEXLM_LIBRARY_DIRS ${FLEXLM_LIBRARY_DIRS} ${FLEXLM_SUB_PATHLIB_${WANTED_LIB}})
+    ELSE(FLEXLM_SUB_LIBRARY_${WANTED_LIB})
+      SET(FLEXLM_LIBRARY_FAILED "YES")
+    ENDIF(FLEXLM_SUB_LIBRARY_${WANTED_LIB})
+  ENDFOREACH(WANTED_LIB)
+ENDIF(WIN32)
+
+SET(FLEXLM_FOUND "NO")
+IF(FLEXLM_INCLUDE_DIR)
+  IF(FLEXLM_LIBRARY_FAILED)
+    # erreur dans une recherche de lib
+  ELSE(FLEXLM_LIBRARY_FAILED)
+    SET(FLEXLM_FOUND "YES")
+    SET(FLEXLM_PROTECTION_NAME "RLM")
+    # Biblioth�ques syst�mes suppl�mentaires
+    if(WIN32)
+      SET(FLEXLM_LIBRARIES ${FLEXLM_LIBRARY})
+    else(WIN32)
+      SET(FLEXLM_LIBRARIES ${FLEXLM_LIBRARY} pthread)
+    endif(WIN32)
+    SET(FLEXLM_INCLUDE_DIRS ${FLEXLM_INCLUDE_DIR})
+    LIST(REMOVE_DUPLICATES FLEXLM_LIBRARY_DIRS)
+  ENDIF(FLEXLM_LIBRARY_FAILED)
+ENDIF(FLEXLM_INCLUDE_DIR)
diff --git a/arcane/src/arcane/impl/FlexLMTools.cc b/arcane/src/arcane/impl/FlexLMTools.cc
index 385e89d019..89b9296cb9 100644
--- a/arcane/src/arcane/impl/FlexLMTools.cc
+++ b/arcane/src/arcane/impl/FlexLMTools.cc
@@ -1,6 +1,6 @@
 // -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
 //-----------------------------------------------------------------------------
-// Copyright 2000-2022 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
+// Copyright 2000-2024 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
 // See the top-level COPYRIGHT file for details.
 // SPDX-License-Identifier: Apache-2.0
 //-----------------------------------------------------------------------------
@@ -151,7 +151,11 @@ init(IParallelSuperMng * parallel_super_mng)
   m_parallel_super_mng = parallel_super_mng;
 
   FlexLMTools<ArcaneFeatureModel> license_tool;
+#ifndef ARCANE_TEST_RLM
   license_tool.checkLicense(ArcaneFeatureModel::ArcaneCore,true); // do_fatal=true
+#else
+  license_tool.checkLicense(ArcaneFeatureModel::Arcane,true); // do_fatal=true
+#endif
 }
 
 /*---------------------------------------------------------------------------*/
@@ -314,7 +318,11 @@ featureInfo(const String name, const Real version) const
 
 const String ArcaneFeatureModel::m_arcane_feature_name[] = 
   {
+#ifndef ARCANE_TEST_RLM
     "ArcaneCore",
+#else
+    "Arcane",
+#endif
   };
 
 /*---------------------------------------------------------------------------*/
diff --git a/arcane/src/arcane/impl/FlexLMTools.h b/arcane/src/arcane/impl/FlexLMTools.h
index dc5409c2f1..6f783dee1b 100644
--- a/arcane/src/arcane/impl/FlexLMTools.h
+++ b/arcane/src/arcane/impl/FlexLMTools.h
@@ -1,6 +1,6 @@
 // -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
 //-----------------------------------------------------------------------------
-// Copyright 2000-2022 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
+// Copyright 2000-2024 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
 // See the top-level COPYRIGHT file for details.
 // SPDX-License-Identifier: Apache-2.0
 //-----------------------------------------------------------------------------
@@ -199,7 +199,11 @@ class ArcaneFeatureModel
 
   typedef enum
   {
+#ifndef ARCANE_TEST_RLM
     ArcaneCore = 0, //<! Fonctionnalité noyau (liée à l'exécution)
+#else
+    Arcane = 0, //<! Fonctionnalité noyau (liée à l'exécution)
+#endif
   } eFeature;
 
   static String getName(eFeature feature)