Windows RT, Windows 8, and Windows Server 2012 update rollup: May 2014

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Summary

This article describes the update rollup for Windows RT, Windows 8, and Windows Server 2012 that is dated May 2014. This update rollup package includes performance and reliability improvements. We recommend that you apply this update rollup as part of your regular maintenance routines. Check out the fixed issues in this update.

Issues that this update fixes

This update package fixes the issues that are documented in the following Microsoft Knowledge Base (KB) articles:

2949807 Installer freezes when you install an update that uses WUSA in Windows 8 or Windows Server 2012
2956020 Live migration fails and the error message has insufficient detail on Windows Server 2012
2957654 "0xc000000E" Stop error when a disk is suddenly removed from the PNP service in Windows 8 or Windows Server 2012
2957560 Computer that is running Windows freezes after stress testing in iSCSI initiator for many hours
2957623 Cannot access shared files or folders on a drive in Windows Server 2012 or Windows Server 2012 R2

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More Information

Update information

How to obtain the update

Windows Update

This update is available from Windows Update.

Notes

This update is provided as an important update.
If you select the Install updates automatically (recommended) Windows Update setting, this update is installed automatically.
If you select other Windows Update settings, we highly recommend that you install this update through Windows Update immediately.

Microsoft Download Center

You can also obtain the stand-alone update package through the Microsoft Download Center. For more information, go to the Microsoft Download Center, and then search for KB2955163.

Prerequisites

To apply this update, you must be running Windows RT, Windows 8, or Windows Server 2012.

Restart information

You must restart the computer after you apply this update.

Update replacement information

This update does not replace any previously released update.

File information

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows RT, Windows 8, and Windows Server 2012 file information notes

The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

Version	Product	Milestone	Service branch
6.2.920 0.16 xxx	Windows RT, Windows 8, and Windows Server 2012	RTM	GDR
6.2.920 0.20 xxx	Windows RT, Windows 8, and Windows Server 2012	RTM	LDR
6.2.920 0.21 xxx	Windows RT, Windows 8, and Windows Server 2012	RTM	LDR

GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed.

For Windows RT

File name	File version	File size	Date	Time	Platform
Classpnp.sys	6.2.9200.16886	249,688	03-Apr-2014	10:58	Not applicable
Iologmsg.dll	6.2.9200.16384	2,048	26-Jul-2012	01:09	Not applicable
Srv2.sys	6.2.9200.16886	455,680	03-Apr-2014	02:53	Not applicable
Wusa.exe	6.2.9200.16878	295,424	24-Mar-2014	22:37	Not applicable
Apndatabase.xml	Not applicable	387,268	31-Mar-2014	22:07	Not applicable

For all supported x86-based versions of Windows 8

File name	File version	File size	Date	Time	Platform
Iscsilog.dll	6.2.9200.20555	16,384	06-Nov-2012	04:02	x86
Msiscsi.sys	6.2.9200.21006	238,424	04-Apr-2014	02:12	x86
Classpnp.sys	6.2.9200.16886	297,304	03-Apr-2014	08:47	x86
Classpnp.sys	6.2.9200.21005	298,328	03-Apr-2014	11:00	x86
Iologmsg.dll	6.2.9200.16384	2,048	26-Jul-2012	02:44	x86
Iologmsg.dll	6.2.9200.16384	2,048	26-Jul-2012	02:44	x86
Srv2.sys	6.2.9200.16886	495,104	03-Apr-2014	03:09	x86
Srv2.sys	6.2.9200.21005	495,616	03-Apr-2014	03:36	x86
Wusa.exe	6.2.9200.16878	305,152	24-Mar-2014	23:42	x86
Wusa.exe	6.2.9200.20998	305,152	25-Mar-2014	04:33	x86
Apndatabase.xml	Not applicable	387,268	31-Mar-2014	22:07	Not applicable
Apndatabase.xml	Not applicable	387,268	31-Mar-2014	22:08	Not applicable

For all supported x64-based versions of Windows 8 and of Windows Server 2012

File name	File version	File size	Date	Time	Platform
Iscsilog.dll	6.2.9200.20555	16,384	06-Nov-2012	04:04	x64
Msiscsi.sys	6.2.9200.21006	278,872	04-Apr-2014	03:59	x64
Rdvgpuinfo.dll	6.2.9200.16384	60,416	26-Jul-2012	01:28	x64
Vmms.exe	6.2.9200.16882	11,204,096	28-Mar-2014	04:03	x64
Rdvgpuinfo.dll	6.2.9200.16384	60,416	26-Jul-2012	01:28	x64
Vmms.exe	6.2.9200.21001	11,206,144	27-Mar-2014	23:20	x64
Classpnp.sys	6.2.9200.16886	328,024	03-Apr-2014	11:19	x64
Classpnp.sys	6.2.9200.21005	335,192	03-Apr-2014	13:08	x64
Iologmsg.dll	6.2.9200.16384	2,048	26-Jul-2012	02:34	x64
Iologmsg.dll	6.2.9200.16384	2,048	26-Jul-2012	02:34	x64
Srv2.sys	6.2.9200.16886	619,008	03-Apr-2014	03:44	x64
Srv2.sys	6.2.9200.21005	616,960	03-Apr-2014	03:43	x64
Wusa.exe	6.2.9200.16878	309,760	24-Mar-2014	22:56	x64
Wusa.exe	6.2.9200.20998	309,760	25-Mar-2014	05:01	x64
Apndatabase.xml	Not applicable	387,268	31-Mar-2014	22:08	Not applicable
Apndatabase.xml	Not applicable	387,268	31-Mar-2014	22:08	Not applicable
Iologmsg.dll	6.2.9200.16384	2,048	26-Jul-2012	02:44	x86
Iologmsg.dll	6.2.9200.16384	2,048	26-Jul-2012	02:44	x86
Wusa.exe	6.2.9200.16878	305,152	24-Mar-2014	23:42	x86
Wusa.exe	6.2.9200.20998	305,152	25-Mar-2014	04:33	x86