diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index 7bb46207557..d478771e84d 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -222,8 +222,25 @@ end:
 
 UINT WINAPI MsiOpenProductA(LPCSTR szProduct, MSIHANDLE *phProduct)
 {
-    FIXME("%s %p\n",debugstr_a(szProduct), phProduct);
-    return ERROR_CALL_NOT_IMPLEMENTED;
+    UINT len, ret;
+    LPWSTR szwProd = NULL;
+
+    TRACE("%s %p\n",debugstr_a(szProduct), phProduct);
+
+    if( szProduct )
+    {
+        len = MultiByteToWideChar( CP_ACP, 0, szProduct, -1, NULL, 0 );
+        szwProd = HeapAlloc( GetProcessHeap(), 0, len * sizeof (WCHAR) );
+        if( szwProd )
+            MultiByteToWideChar( CP_ACP, 0, szProduct, -1, szwProd, len );
+    }
+
+    ret = MsiOpenProductW( szwProd, phProduct );
+
+    if( szwProd )
+        HeapFree( GetProcessHeap(), 0, szwProd );
+
+    return ret;
 }
 
 UINT WINAPI MsiOpenProductW(LPCWSTR szProduct, MSIHANDLE *phProduct)
@@ -721,6 +738,20 @@ HRESULT WINAPI MsiGetFileSignatureInformationW(
     return ERROR_CALL_NOT_IMPLEMENTED;
 }
 
+UINT WINAPI MsiGetProductPropertyA( MSIHANDLE hProduct, LPCSTR szProperty,
+                                    LPSTR szValue, DWORD *pccbValue )
+{
+    FIXME("%ld %s %p %p\n", hProduct, debugstr_a(szProperty), szValue, pccbValue);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+UINT WINAPI MsiGetProductPropertyW( MSIHANDLE hProduct, LPCWSTR szProperty,
+                                    LPWSTR szValue, DWORD *pccbValue )
+{
+    FIXME("%ld %s %p %p\n", hProduct, debugstr_w(szProperty), szValue, pccbValue);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
 HRESULT WINAPI MSI_DllGetVersion(DLLVERSIONINFO *pdvi)
 {
     TRACE("%p\n",pdvi);
diff --git a/dlls/msi/msi.spec b/dlls/msi/msi.spec
index c3562fdf758..00a77dd5b0e 100644
--- a/dlls/msi/msi.spec
+++ b/dlls/msi/msi.spec
@@ -47,15 +47,15 @@
 47 stub MsiEvaluateConditionW
 48 stub MsiGetLastErrorRecord
 49 stub MsiGetActiveDatabase
-50 stub MsiGetComponentStateA
-51 stub MsiGetComponentStateW
+50 stdcall MsiGetComponentStateA(long str ptr ptr)
+51 stdcall MsiGetComponentStateW(long wstr ptr ptr)
 52 stub MsiGetDatabaseState
 53 stub MsiGetFeatureCostA
 54 stub MsiGetFeatureCostW
 55 stub MsiGetFeatureInfoA
 56 stub MsiGetFeatureInfoW
-57 stub MsiGetFeatureStateA
-58 stub MsiGetFeatureStateW
+57 stdcall MsiGetFeatureStateA(long str ptr ptr)
+58 stdcall MsiGetFeatureStateW(long wstr ptr ptr)
 59 stub MsiGetFeatureUsageA
 60 stub MsiGetFeatureUsageW
 61 stub MsiGetFeatureValidStatesA
@@ -68,8 +68,8 @@
 68 stub MsiGetProductInfoFromScriptA
 69 stub MsiGetProductInfoFromScriptW
 70 stdcall MsiGetProductInfoW(wstr wstr wstr long)
-71 stub MsiGetProductPropertyA
-72 stub MsiGetProductPropertyW
+71 stdcall MsiGetProductPropertyA(long str ptr ptr)
+72 stdcall MsiGetProductPropertyW(long wstr ptr ptr)
 73 stub MsiGetPropertyA
 74 stub MsiGetPropertyW
 75 stub MsiGetSourcePathA
diff --git a/dlls/msi/msiquery.c b/dlls/msi/msiquery.c
index 56192466f1c..ee53639b0f3 100644
--- a/dlls/msi/msiquery.c
+++ b/dlls/msi/msiquery.c
@@ -378,3 +378,32 @@ UINT WINAPI MsiDatabaseGetPrimaryKeysW(MSIHANDLE hdb,
     FIXME("%ld %s %p\n", hdb, debugstr_w(table), rec);
     return ERROR_CALL_NOT_IMPLEMENTED;
 }
+
+UINT WINAPI MsiGetFeatureStateA(MSIHANDLE hInstall, LPSTR szFeature,
+                  INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
+{
+    FIXME("%ld %s %p %p\n", hInstall, debugstr_a(szFeature), piInstalled, piAction);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+UINT WINAPI MsiGetFeatureStateW(MSIHANDLE hInstall, LPWSTR szFeature,
+                  INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
+{
+    FIXME("%ld %s %p %p\n", hInstall, debugstr_w(szFeature), piInstalled, piAction);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+UINT WINAPI MsiGetComponentStateA(MSIHANDLE hInstall, LPSTR szFeature,
+                  INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
+{
+    FIXME("%ld %s %p %p\n", hInstall, debugstr_a(szFeature), piInstalled, piAction);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+UINT WINAPI MsiGetComponentStateW(MSIHANDLE hInstall, LPWSTR szFeature,
+                  INSTALLSTATE *piInstalled, INSTALLSTATE *piAction)
+{
+    FIXME("%ld %s %p %p\n", hInstall, debugstr_w(szFeature), piInstalled, piAction);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
diff --git a/include/msi.h b/include/msi.h
index 40d43a9fd53..d83a345fde7 100644
--- a/include/msi.h
+++ b/include/msi.h
@@ -80,6 +80,10 @@ UINT WINAPI MsiOpenPackageA(LPCSTR, MSIHANDLE*);
 UINT WINAPI MsiOpenPackageW(LPCWSTR, MSIHANDLE*);
 #define     MsiOpenPackage WINELIB_NAME_AW(MsiOpenPackage)
 
+UINT WINAPI MsiOpenProductA(LPCSTR, MSIHANDLE*);
+UINT WINAPI MsiOpenProductW(LPCWSTR, MSIHANDLE*);
+#define     MsiOpenProduct WINELIB_NAME_AW(MsiOpenProduct)
+
 UINT WINAPI MsiGetSummaryInformationA(MSIHANDLE, LPCSTR, UINT, MSIHANDLE *);
 UINT WINAPI MsiGetSummaryInformationW(MSIHANDLE, LPCWSTR, UINT, MSIHANDLE *);
 #define     MsiGetSummaryInformation WINELIB_NAME_AW(MsiGetSummaryInformation)