diff --git a/jdk/make/java/security/Makefile b/jdk/make/java/security/Makefile
index fa87a586468..d06fc91404e 100644
--- a/jdk/make/java/security/Makefile
+++ b/jdk/make/java/security/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1996, 2011 Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -44,11 +44,9 @@ PROPS_SRC   = $(TOPDIR)/src/share/lib/security/java.security-solaris
 
 else # PLATFORM
 
-# Register Microsoft CryptoAPI provider only on (non-64-bit) Windows platform.
+# Register Microsoft CryptoAPI provider only on Windows platform.
 ifeq ($(PLATFORM), windows)
-  ifneq ($(ARCH_DATA_MODEL), 64)
-    PROPS_SRC   = $(TOPDIR)/src/share/lib/security/java.security-windows
-  endif
+  PROPS_SRC   = $(TOPDIR)/src/share/lib/security/java.security-windows
 endif
 endif # PLATFORM
 
diff --git a/jdk/make/sun/security/Makefile b/jdk/make/sun/security/Makefile
index efff97d7e55..6e03ffbe05d 100644
--- a/jdk/make/sun/security/Makefile
+++ b/jdk/make/sun/security/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -52,12 +52,10 @@ ifeq ($(ARCH_DATA_MODEL), 64)
   endif
 endif
 
-# Build Microsoft CryptoAPI provider only on (non-64-bit) Windows platform.
+# Build Microsoft CryptoAPI provider only on Windows platform.
 MSCAPI =
 ifeq ($(PLATFORM), windows)
-  ifneq ($(ARCH_DATA_MODEL), 64)
-    MSCAPI = mscapi
-  endif
+  MSCAPI = mscapi
 endif
 
 # Build in-tree elliptic curve crypto provider only when
diff --git a/jdk/test/sun/security/mscapi/AccessKeyStore.sh b/jdk/test/sun/security/mscapi/AccessKeyStore.sh
index 5adef063cdb..6706aa3ff39 100644
--- a/jdk/test/sun/security/mscapi/AccessKeyStore.sh
+++ b/jdk/test/sun/security/mscapi/AccessKeyStore.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,11 +25,9 @@
 
 
 # @test
-# @bug 6324295
+# @bug 6324295 6931562
 # @run shell AccessKeyStore.sh
 # @summary Confirm that permission must be granted to access keystores.
-#
-# Run only on non-64-bit Windows platform.
 
 OS=`uname -s`
 case "$OS" in
diff --git a/jdk/test/sun/security/mscapi/IsSunMSCAPIAvailable.sh b/jdk/test/sun/security/mscapi/IsSunMSCAPIAvailable.sh
index b712dd7ddb5..197ee37b134 100644
--- a/jdk/test/sun/security/mscapi/IsSunMSCAPIAvailable.sh
+++ b/jdk/test/sun/security/mscapi/IsSunMSCAPIAvailable.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,11 +25,9 @@
 
 
 # @test
-# @bug 6318171
+# @bug 6318171 6931562
 # @run shell IsSunMSCAPIAvailable.sh
 # @summary Basic test of the Microsoft CryptoAPI provider.
-#
-# Run only on non-64-bit Windows platform.
 
 OS=`uname -s`
 case "$OS" in
diff --git a/jdk/test/sun/security/mscapi/KeyStoreCompatibilityMode.sh b/jdk/test/sun/security/mscapi/KeyStoreCompatibilityMode.sh
index 7d0f1b47ba0..ee0c6c3609f 100644
--- a/jdk/test/sun/security/mscapi/KeyStoreCompatibilityMode.sh
+++ b/jdk/test/sun/security/mscapi/KeyStoreCompatibilityMode.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,12 +25,10 @@
 
 
 # @test
-# @bug 6324294
+# @bug 6324294 6931562
 # @run shell KeyStoreCompatibilityMode.sh
 # @summary Confirm that a null stream or password is not permitted when 
 #          compatibility mode is enabled (and vice versa).
-#
-# Run only on non-64-bit Windows platform.
 
 OS=`uname -s`
 case "$OS" in
diff --git a/jdk/test/sun/security/mscapi/KeytoolChangeAlias.sh b/jdk/test/sun/security/mscapi/KeytoolChangeAlias.sh
index b42c51dddee..0012a93af52 100644
--- a/jdk/test/sun/security/mscapi/KeytoolChangeAlias.sh
+++ b/jdk/test/sun/security/mscapi/KeytoolChangeAlias.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -25,11 +25,9 @@
 
 
 # @test
-# @bug 6415696
+# @bug 6415696 6931562
 # @run shell KeytoolChangeAlias.sh
 # @summary Test "keytool -changealias" using the Microsoft CryptoAPI provider.
-#
-# Run only on non-64-bit Windows platform.
 
 # set a few environment variables so that the shell-script can run stand-alone
 # in the source directory
diff --git a/jdk/test/sun/security/mscapi/RSAEncryptDecrypt.sh b/jdk/test/sun/security/mscapi/RSAEncryptDecrypt.sh
index 4191fb1b0c0..19add0a7356 100644
--- a/jdk/test/sun/security/mscapi/RSAEncryptDecrypt.sh
+++ b/jdk/test/sun/security/mscapi/RSAEncryptDecrypt.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -24,13 +24,11 @@
 #
 
 # @test
-# @bug 6457422
+# @bug 6457422 6931562
 # @run shell RSAEncryptDecrypt.sh
 # @summary Confirm that plaintext can be encrypted and then decrypted using the
 #	   RSA cipher in the SunMSCAPI crypto provider. NOTE: The RSA cipher is 
 #	   absent from the SunMSCAPI provider in OpenJDK builds.
-#
-# Run only on non-64-bit Windows platform.
 
 # set a few environment variables so that the shell-script can run stand-alone
 # in the source directory