diff --git a/include/maxscale/modinfo.h b/include/maxscale/modinfo.h
index 62ced988a..1a5169079 100644
--- a/include/maxscale/modinfo.h
+++ b/include/maxscale/modinfo.h
@@ -85,12 +85,22 @@ enum mxs_module_param_type
     MXS_MODULE_PARAM_ENUM /**< Enumeration of string values */
 };
 
+enum mxs_module_param_options
+{
+    MXS_MODULE_OPT_NONE      = 0,
+    MXS_MODULE_OPT_REQUIRED  = (1 << 0), /**< A required parameter */
+    MXS_MODULE_OPT_PATH_X_OK = (1 << 1), /**< PATH: Execute permission to path required */
+    MXS_MODULE_OPT_PATH_R_OK = (1 << 2), /**< PATH: Read permission to path required */
+    MXS_MODULE_OPT_PATH_W_OK = (1 << 3)  /**< PATH: Write permission to path required */
+};
+
 /** Module parameter declaration */
 typedef struct mxs_module_param
 {
     const char *name; /**< Name of the parameter */
     enum mxs_module_param_type type; /**< Type of the parameter */
-    const char *default_value;
+    const char *default_value; /**< Default value for the parameter, NULL for no default value */
+    uint64_t options; /**< Parameter options */
     const char **accepted_values; /**< Only for enum values */
 } MXS_MODULE_PARAM;
 
diff --git a/server/core/config.c b/server/core/config.c
index 6bc9f04c9..20c63daac 100644
--- a/server/core/config.c
+++ b/server/core/config.c
@@ -1913,6 +1913,38 @@ process_config_update(CONFIG_CONTEXT *context)
     return true;
 }
 
+/**
+ * @brief Check if required parameters are missing
+ *
+ * @param name Module name
+ * @param type Module type
+ * @param params List of parameters for the object
+ * @return True if at least one of the required parameters is missing
+ */
+static bool missing_required_parameters(const char *name, const char *type,
+                                        CONFIG_PARAMETER *params)
+{
+    bool rval = false;
+
+    const MXS_MODULE *mod = get_module(name, type);
+
+    if (mod)
+    {
+        for (int i = 0; mod->parameters[i].name; i++)
+        {
+            if ((mod->parameters[i].options & MXS_MODULE_OPT_REQUIRED) &&
+                config_get_param(params, mod->parameters[i].name) == NULL)
+            {
+                MXS_ERROR("Mandatory parameter '%s' for module '%s' of type %s is not defined.",
+                          mod->parameters[i].name, name, type);
+                rval = true;
+            }
+        }
+    }
+
+    return rval;
+}
+
 /**
  * @brief Check that the configuration objects have valid parameters
  *
@@ -1986,6 +2018,13 @@ check_config_objects(CONFIG_CONTEXT *context)
                 params = params->next;
             }
         }
+
+        if (module && module_type &&
+            missing_required_parameters(module, module_type, obj->parameters))
+        {
+            rval = false;
+        }
+
         obj = obj->next;
     }
 
@@ -2628,12 +2667,15 @@ static void config_add_defaults(CONFIG_CONTEXT *ctx, const char *module, const c
     {
         for (int i = 0; mod->parameters[i].name; i++)
         {
-            ss_dassert(config_param_is_valid(module, type, mod->parameters[i].name,
-                                             mod->parameters[i].default_value));
+            if (mod->parameters[i].default_value)
+            {
+                ss_dassert(config_param_is_valid(module, type, mod->parameters[i].name,
+                                                 mod->parameters[i].default_value, ctx));
 
-            bool rv = config_add_param(ctx, mod->parameters[i].name,
-                                       mod->parameters[i].default_value);
-            MXS_ABORT_IF_FALSE(rv);
+                bool rv = config_add_param(ctx, mod->parameters[i].name,
+                                           mod->parameters[i].default_value);
+                MXS_ABORT_IF_FALSE(rv);
+            }
         }
     }
 }