diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index fb7eba5f54e..7d1b9a55095 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -3779,3 +3779,44 @@ UINT WINAPI MsiInstallMissingComponentW(LPCWSTR szProduct, LPCWSTR szComponent,
     FIXME("(%s %s %d\n", debugstr_w(szProduct), debugstr_w(szComponent), eInstallState);
     return ERROR_SUCCESS;
 }
+
+/***********************************************************************
+ * MsiBeginTransactionA     [MSI.@]
+ */
+UINT WINAPI MsiBeginTransactionA( LPCSTR name, DWORD attrs, MSIHANDLE *id, HANDLE *event )
+{
+    WCHAR *nameW;
+    UINT r;
+
+    FIXME("%s %u %p %p\n", debugstr_a(name), attrs, id, event);
+
+    nameW = strdupAtoW( name );
+    if (name && !nameW)
+        return ERROR_OUTOFMEMORY;
+
+    r = MsiBeginTransactionW( nameW, attrs, id, event );
+    msi_free( nameW );
+    return r;
+}
+
+/***********************************************************************
+ * MsiBeginTransactionW     [MSI.@]
+ */
+UINT WINAPI MsiBeginTransactionW( LPCWSTR name, DWORD attrs, MSIHANDLE *id, HANDLE *event )
+{
+    FIXME("%s %u %p %p\n", debugstr_w(name), attrs, id, event);
+
+    *id = (MSIHANDLE)0xdeadbeef;
+    *event = (HANDLE)0xdeadbeef;
+
+    return ERROR_SUCCESS;
+}
+
+/***********************************************************************
+ * MsiEndTransaction     [MSI.@]
+ */
+UINT WINAPI MsiEndTransaction( DWORD state )
+{
+    FIXME("%u\n", state);
+    return ERROR_SUCCESS;
+}
diff --git a/dlls/msi/msi.spec b/dlls/msi/msi.spec
index 6fdebd86f10..f0e3238750d 100644
--- a/dlls/msi/msi.spec
+++ b/dlls/msi/msi.spec
@@ -277,9 +277,9 @@
 281 stdcall MsiSetExternalUIRecord(ptr long ptr ptr)
 282 stub MsiGetPatchFileListA
 283 stub MsiGetPatchFileListW
-284 stub MsiBeginTransactionA
-285 stub MsiBeginTransactionW
-286 stub MsiEndTransaction
+284 stdcall MsiBeginTransactionA(str long ptr ptr)
+285 stdcall MsiBeginTransactionW(wstr long ptr ptr)
+286 stdcall MsiEndTransaction(long)
 287 stub MsiJoinTransaction
 288 stub MsiSetOfflineContextW
 289 stub MsiEnumComponentsExA
diff --git a/include/msi.h b/include/msi.h
index b331057d53c..164cd264bbf 100644
--- a/include/msi.h
+++ b/include/msi.h
@@ -663,6 +663,12 @@ UINT WINAPI MsiApplyMultiplePatchesA(LPCSTR, LPCSTR, LPCSTR);
 UINT WINAPI MsiApplyMultiplePatchesW(LPCWSTR, LPCWSTR, LPCWSTR);
 #define     MsiApplyMultiplePatches WINELIB_NAME_AW(MsiApplyMultiplePatches)
 
+UINT WINAPI MsiBeginTransactionA(LPCSTR, DWORD, MSIHANDLE *, HANDLE *);
+UINT WINAPI MsiBeginTransactionW(LPCWSTR, DWORD, MSIHANDLE *, HANDLE *);
+#define     MsiBeginTransaction WINELIB_NAME_AW(MsiBeginTransaction)
+
+UINT WINAPI MsiEndTransaction(DWORD);
+
 /* Non Unicode */
 UINT WINAPI MsiCloseHandle(MSIHANDLE);
 UINT WINAPI MsiCloseAllHandles(void);