diff --git a/dlls/mscoree/corruntimehost.c b/dlls/mscoree/corruntimehost.c
index ec9d54d644a..e437cc283a8 100644
--- a/dlls/mscoree/corruntimehost.c
+++ b/dlls/mscoree/corruntimehost.c
@@ -104,8 +104,11 @@ end:
     return res;
 }
 
-static HRESULT RuntimeHost_GetDefaultDomain(RuntimeHost *This, MonoDomain **result)
+static HRESULT RuntimeHost_GetDefaultDomain(RuntimeHost *This, const WCHAR *config_path, MonoDomain **result)
 {
+    WCHAR config_dir[MAX_PATH];
+    WCHAR base_dir[MAX_PATH];
+    char *base_dirA, *config_pathA, *slash;
     HRESULT res=S_OK;
 
     EnterCriticalSection(&This->lock);
@@ -114,6 +117,48 @@ static HRESULT RuntimeHost_GetDefaultDomain(RuntimeHost *This, MonoDomain **resu
 
     res = RuntimeHost_AddDomain(This, &This->default_domain);
 
+    if (!config_path)
+    {
+        DWORD len = sizeof(config_dir)/sizeof(*config_dir);
+
+        static const WCHAR machine_configW[] = {'\\','C','O','N','F','I','G','\\','m','a','c','h','i','n','e','.','c','o','n','f','i','g',0};
+
+        res = ICLRRuntimeInfo_GetRuntimeDirectory(&This->version->ICLRRuntimeInfo_iface,
+                config_dir, &len);
+        if (FAILED(res))
+            goto end;
+
+        lstrcatW(config_dir, machine_configW);
+
+        config_path = config_dir;
+    }
+
+    config_pathA = WtoA(config_path);
+    if (!config_pathA)
+    {
+        res = E_OUTOFMEMORY;
+        goto end;
+    }
+
+    GetModuleFileNameW(NULL, base_dir, sizeof(base_dir) / sizeof(*base_dir));
+    base_dirA = WtoA(base_dir);
+    if (!base_dirA)
+    {
+        HeapFree(GetProcessHeap(), 0, config_pathA);
+        res = E_OUTOFMEMORY;
+        goto end;
+    }
+
+    slash = strrchr(base_dirA, '\\');
+    if (slash)
+        *slash = 0;
+
+    TRACE("setting base_dir: %s, config_path: %s\n", base_dirA, config_pathA);
+    mono_domain_set_config(This->default_domain, base_dirA, config_pathA);
+
+    HeapFree(GetProcessHeap(), 0, config_pathA);
+    HeapFree(GetProcessHeap(), 0, base_dirA);
+
 end:
     *result = This->default_domain;
 
@@ -241,7 +286,7 @@ void RuntimeHost_ExitProcess(RuntimeHost *This, INT exitcode)
     MonoDomain *domain;
     MonoObject *dummy;
 
-    hr = RuntimeHost_GetDefaultDomain(This, &domain);
+    hr = RuntimeHost_GetDefaultDomain(This, NULL, &domain);
     if (FAILED(hr))
     {
         ERR("Cannot get domain, hr=%x\n", hr);
@@ -371,7 +416,7 @@ static HRESULT WINAPI corruntimehost_Start(
 
     TRACE("%p\n", This);
 
-    return RuntimeHost_GetDefaultDomain(This, &dummy);
+    return RuntimeHost_GetDefaultDomain(This, NULL, &dummy);
 }
 
 static HRESULT WINAPI corruntimehost_Stop(
@@ -401,7 +446,7 @@ static HRESULT WINAPI corruntimehost_GetDefaultDomain(
 
     TRACE("(%p)\n", iface);
 
-    hr = RuntimeHost_GetDefaultDomain(This, &domain);
+    hr = RuntimeHost_GetDefaultDomain(This, NULL, &domain);
 
     if (SUCCEEDED(hr))
     {
@@ -459,7 +504,7 @@ static HRESULT WINAPI corruntimehost_CreateDomainSetup(
 
     TRACE("(%p)\n", iface);
 
-    hr = RuntimeHost_GetDefaultDomain(This, &domain);
+    hr = RuntimeHost_GetDefaultDomain(This, NULL, &domain);
 
     if (SUCCEEDED(hr))
         hr = RuntimeHost_CreateManagedInstance(This, classnameW, domain, &obj);
@@ -625,7 +670,7 @@ static HRESULT WINAPI CLRRuntimeHost_ExecuteInDefaultAppDomain(ICLRRuntimeHost*
     TRACE("(%p,%s,%s,%s,%s)\n", iface, debugstr_w(pwzAssemblyPath),
         debugstr_w(pwzTypeName), debugstr_w(pwzMethodName), debugstr_w(pwzArgument));
 
-    hr = RuntimeHost_GetDefaultDomain(This, &domain);
+    hr = RuntimeHost_GetDefaultDomain(This, NULL, &domain);
 
     if (SUCCEEDED(hr))
     {
@@ -717,7 +762,7 @@ HRESULT RuntimeHost_CreateManagedInstance(RuntimeHost *This, LPCWSTR name,
     MonoObject *obj;
 
     if (!domain)
-        hr = RuntimeHost_GetDefaultDomain(This, &domain);
+        hr = RuntimeHost_GetDefaultDomain(This, NULL, &domain);
 
     if (SUCCEEDED(hr))
     {
@@ -921,7 +966,7 @@ static void CDECL ReallyFixupVTable(struct dll_fixup *fixup)
         hr = ICLRRuntimeInfo_GetRuntimeHost(info, &host);
 
     if (SUCCEEDED(hr))
-        hr = RuntimeHost_GetDefaultDomain(host, &domain);
+        hr = RuntimeHost_GetDefaultDomain(host, NULL, &domain);
 
     if (SUCCEEDED(hr))
     {
@@ -1077,7 +1122,15 @@ __int32 WINAPI _CorExeMain(void)
         hr = ICLRRuntimeInfo_GetRuntimeHost(info, &host);
 
         if (SUCCEEDED(hr))
-            hr = RuntimeHost_GetDefaultDomain(host, &domain);
+        {
+            WCHAR config_file[MAX_PATH];
+            static const WCHAR dotconfig[] = {'.','c','o','n','f','i','g',0};
+
+            strcpyW(config_file, filename);
+            strcatW(config_file, dotconfig);
+
+            hr = RuntimeHost_GetDefaultDomain(host, config_file, &domain);
+        }
 
         if (SUCCEEDED(hr))
         {
@@ -1157,7 +1210,7 @@ void runtimehost_uninit(void)
     }
 }
 
-HRESULT RuntimeHost_Construct(const CLRRuntimeInfo *runtime_version, RuntimeHost** result)
+HRESULT RuntimeHost_Construct(CLRRuntimeInfo *runtime_version, RuntimeHost** result)
 {
     RuntimeHost *This;
 
@@ -1342,7 +1395,7 @@ HRESULT create_monodata(REFIID riid, LPVOID *ppObj )
         hr = ICLRRuntimeInfo_GetRuntimeHost(info, &host);
 
         if (SUCCEEDED(hr))
-            hr = RuntimeHost_GetDefaultDomain(host, &domain);
+            hr = RuntimeHost_GetDefaultDomain(host, NULL, &domain);
 
         if (SUCCEEDED(hr))
         {
diff --git a/dlls/mscoree/metahost.c b/dlls/mscoree/metahost.c
index 6b53cde4b7a..e3a724c6870 100644
--- a/dlls/mscoree/metahost.c
+++ b/dlls/mscoree/metahost.c
@@ -79,6 +79,7 @@ MonoClass* (CDECL *mono_class_from_name)(MonoImage *image, const char* name_spac
 MonoMethod* (CDECL *mono_class_get_method_from_name)(MonoClass *klass, const char *name, int param_count);
 static void (CDECL *mono_config_parse)(const char *filename);
 MonoAssembly* (CDECL *mono_domain_assembly_open)(MonoDomain *domain, const char *name);
+void (CDECL *mono_domain_set_config)(MonoDomain *domain,const char *base_dir,const char *config_file_name);
 static void (CDECL *mono_free)(void *);
 static MonoImage* (CDECL *mono_image_open)(const char *fname, MonoImageOpenStatus *status);
 MonoImage* (CDECL *mono_image_open_from_module_handle)(HMODULE module_handle, char* fname, UINT has_entry_point, MonoImageOpenStatus* status);
@@ -179,6 +180,7 @@ static HRESULT load_mono(LPCWSTR mono_path)
         LOAD_MONO_FUNCTION(mono_class_from_name);
         LOAD_MONO_FUNCTION(mono_class_get_method_from_name);
         LOAD_MONO_FUNCTION(mono_domain_assembly_open);
+        LOAD_MONO_FUNCTION(mono_domain_set_config);
         LOAD_MONO_FUNCTION(mono_free);
         LOAD_MONO_FUNCTION(mono_image_open);
         LOAD_MONO_FUNCTION(mono_install_assembly_preload_hook);
diff --git a/dlls/mscoree/mscoree_private.h b/dlls/mscoree/mscoree_private.h
index 9a7678dd08e..0c59c429d5e 100644
--- a/dlls/mscoree/mscoree_private.h
+++ b/dlls/mscoree/mscoree_private.h
@@ -70,7 +70,7 @@ struct RuntimeHost
 {
     ICorRuntimeHost ICorRuntimeHost_iface;
     ICLRRuntimeHost ICLRRuntimeHost_iface;
-    const CLRRuntimeInfo *version;
+    CLRRuntimeInfo *version;
     struct list domains;
     MonoDomain *default_domain;
     CRITICAL_SECTION lock;
@@ -143,6 +143,7 @@ extern MonoClass* (CDECL *mono_class_from_mono_type)(MonoType *type) DECLSPEC_HI
 extern MonoClass* (CDECL *mono_class_from_name)(MonoImage *image, const char* name_space, const char *name) DECLSPEC_HIDDEN;
 extern MonoMethod* (CDECL *mono_class_get_method_from_name)(MonoClass *klass, const char *name, int param_count) DECLSPEC_HIDDEN;
 extern MonoAssembly* (CDECL *mono_domain_assembly_open)(MonoDomain *domain, const char *name) DECLSPEC_HIDDEN;
+extern void (CDECL *mono_domain_set_config)(MonoDomain *domain,const char *base_dir,const char *config_file_name) DECLSPEC_HIDDEN;
 extern int (CDECL *mono_jit_exec)(MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[]) DECLSPEC_HIDDEN;
 extern MonoDomain* (CDECL *mono_jit_init_version)(const char *domain_name, const char *runtime_version) DECLSPEC_HIDDEN;
 extern MonoImage* (CDECL *mono_image_open_from_module_handle)(HMODULE module_handle, char* fname, UINT has_entry_point, MonoImageOpenStatus* status) DECLSPEC_HIDDEN;
@@ -164,7 +165,7 @@ extern void (CDECL *mono_trace_set_printerr_handler)(MonoPrintCallback callback)
 /* loaded runtime interfaces */
 extern void expect_no_runtimes(void) DECLSPEC_HIDDEN;
 
-extern HRESULT RuntimeHost_Construct(const CLRRuntimeInfo *runtime_version, RuntimeHost** result) DECLSPEC_HIDDEN;
+extern HRESULT RuntimeHost_Construct(CLRRuntimeInfo *runtime_version, RuntimeHost** result) DECLSPEC_HIDDEN;
 
 extern void RuntimeHost_ExitProcess(RuntimeHost *This, INT exitcode) DECLSPEC_HIDDEN;