diff --git a/source/pdo_sqlsrv/config.m4 b/source/pdo_sqlsrv/config.m4
index 2b310f92..8b938035 100644
--- a/source/pdo_sqlsrv/config.m4
+++ b/source/pdo_sqlsrv/config.m4
@@ -1,3 +1,22 @@
+//----------------------------------------------------------------------------------------------------------------------------------
+// File: config.m4
+//
+// Contents: build configuration for PDO_SQLSRV on Linux and Mac OSX 
+//
+// Microsoft Drivers 4.2 for PHP for SQL Server
+// Copyright(c) Microsoft Corporation
+// All rights reserved.
+// MIT License
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files(the ""Software""), 
+//  to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+//  and / or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions :
+// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+// THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 
+//  IN THE SOFTWARE.
+//---------------------------------------------------------------------------------------------------------------------------------
+
 PHP_ARG_WITH(pdo_sqlsrv, for pdo_sqlsrv support,
 [  --with-pdo_sqlsrv             Include pdo_sqlsrv support])
 
diff --git a/source/pdo_sqlsrv/config.w32 b/source/pdo_sqlsrv/config.w32
index f73b5be4..1538dcae 100644
--- a/source/pdo_sqlsrv/config.w32
+++ b/source/pdo_sqlsrv/config.w32
@@ -3,7 +3,7 @@
 //
 // Contents: JScript build configuration used by buildconf.bat
 //
-// Microsoft Drivers 4.1 for PHP for SQL Server
+// Microsoft Drivers 4.2 for PHP for SQL Server
 // Copyright(c) Microsoft Corporation
 // All rights reserved.
 // MIT License
diff --git a/source/pdo_sqlsrv/pdo_dbh.cpp b/source/pdo_sqlsrv/pdo_dbh.cpp
index 1391cfb7..10cc9b7c 100644
--- a/source/pdo_sqlsrv/pdo_dbh.cpp
+++ b/source/pdo_sqlsrv/pdo_dbh.cpp
@@ -3,7 +3,7 @@
 //
 // Contents: Implements the PDO object for PDO_SQLSRV
 //
-// Microsoft Drivers 4.1 for PHP for SQL Server
+// Microsoft Drivers 4.2 for PHP for SQL Server
 // Copyright(c) Microsoft Corporation
 // All rights reserved.
 // MIT License
diff --git a/source/pdo_sqlsrv/pdo_init.cpp b/source/pdo_sqlsrv/pdo_init.cpp
index dac9311c..5be8480c 100644
--- a/source/pdo_sqlsrv/pdo_init.cpp
+++ b/source/pdo_sqlsrv/pdo_init.cpp
@@ -3,7 +3,7 @@
 //
 // Contents: initialization routines for PDO_SQLSRV
 //
-// Microsoft Drivers 4.1 for PHP for SQL Server
+// Microsoft Drivers 4.2 for PHP for SQL Server
 // Copyright(c) Microsoft Corporation
 // All rights reserved.
 // MIT License
diff --git a/source/pdo_sqlsrv/pdo_parser.cpp b/source/pdo_sqlsrv/pdo_parser.cpp
index 2951a7dd..1b726a07 100644
--- a/source/pdo_sqlsrv/pdo_parser.cpp
+++ b/source/pdo_sqlsrv/pdo_parser.cpp
@@ -5,7 +5,7 @@
 // 
 // Copyright Microsoft Corporation
 //
-// Microsoft Drivers 4.1 for PHP for SQL Server
+// Microsoft Drivers 4.2 for PHP for SQL Server
 // Copyright(c) Microsoft Corporation
 // All rights reserved.
 // MIT License
diff --git a/source/pdo_sqlsrv/pdo_stmt.cpp b/source/pdo_sqlsrv/pdo_stmt.cpp
index 7b85af7d..1421bc85 100644
--- a/source/pdo_sqlsrv/pdo_stmt.cpp
+++ b/source/pdo_sqlsrv/pdo_stmt.cpp
@@ -3,7 +3,7 @@
 //
 // Contents: Implements the PDOStatement object for the PDO_SQLSRV
 //
-// Microsoft Drivers 4.1 for PHP for SQL Server
+// Microsoft Drivers 4.2 for PHP for SQL Server
 // Copyright(c) Microsoft Corporation
 // All rights reserved.
 // MIT License
diff --git a/source/pdo_sqlsrv/pdo_util.cpp b/source/pdo_sqlsrv/pdo_util.cpp
index 2a89538d..63fabfb4 100644
--- a/source/pdo_sqlsrv/pdo_util.cpp
+++ b/source/pdo_sqlsrv/pdo_util.cpp
@@ -3,7 +3,7 @@
 //
 // Contents: Utility functions used by both connection or statement functions
 // 
-// Microsoft Drivers 4.1 for PHP for SQL Server
+// Microsoft Drivers 4.2 for PHP for SQL Server
 // Copyright(c) Microsoft Corporation
 // All rights reserved.
 // MIT License
diff --git a/source/pdo_sqlsrv/php_pdo_sqlsrv.h b/source/pdo_sqlsrv/php_pdo_sqlsrv.h
index 5519f07c..22edd00a 100644
--- a/source/pdo_sqlsrv/php_pdo_sqlsrv.h
+++ b/source/pdo_sqlsrv/php_pdo_sqlsrv.h
@@ -6,7 +6,7 @@
 //
 // Contents: Declarations for the extension
 //
-// Microsoft Drivers 4.1 for PHP for SQL Server
+// Microsoft Drivers 4.2 for PHP for SQL Server
 // Copyright(c) Microsoft Corporation
 // All rights reserved.
 // MIT License
diff --git a/source/pdo_sqlsrv/template.rc b/source/pdo_sqlsrv/template.rc
index 285762db..ec61efa6 100644
--- a/source/pdo_sqlsrv/template.rc
+++ b/source/pdo_sqlsrv/template.rc
@@ -3,7 +3,7 @@
 //
 // Contents: Version resource
 //
-// Microsoft Drivers 4.1 for PHP for SQL Server
+// Microsoft Drivers 4.2 for PHP for SQL Server
 // Copyright(c) Microsoft Corporation
 // All rights reserved.
 // MIT License