Symptoms
Consider the following scenarios:Scenario 1
-
You have a computer that is running Windows Server 2008, Windows 7, or Windows Server 2008 R2.
-
You configure the complementary metal-oxide semiconductor (CMOS) clock according to Coordinated Universal Time (UTC).
-
You configure a DWORD type registry key named RealTimeIsUniversal in the following path, and set the value to 1:HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TimeZoneInformation
-
The CMOS clock does not match the Windows clock.
-
The computer starts the daylight saving time (DST) changeover.
In this scenario, the computer uses 100 percent of CPU resources. The CPU usage remains at 100 percent until both the CMOS clock and the Windows clock pass the DST changeover time.Scenario 2
-
You deploy a Hyper-V virtual machine that is running Windows Server 2008, Windows 7, or Windows Server 2008 R2.
-
The clock on the host server that runs the virtual machine is set to the UTC time zone.
-
You change the time zone of the Windows clock on the virtual machine to a local time zone.
-
After you restart the virtual machine, the Windows clock on the virtual machine does not reflect the local time zone, and is instead set to the UTC time zone.
-
You configure a DWORD type registry key named RealTimeIsUniversal in the following path on the virtual machine, and set the value to 1:HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TimeZoneInformation
-
The CMOS clock does not match the Windows clock.
-
The virtual machine and the host server start the DST changeover.
In this scenario, the virtual machine uses 100 percent of CPU resources. The CPU usage remains at 100 percent until both the clock on the host computer and the Windows clock on the virtual machine pass the DST changeover time.
Cause
This issue occurs because the hardware abstraction layer (HAL) uses the CMOS clock time incorrectly, and this causes a conflict. This behavior occurs when the RealTimeIsUniversal registry key is configured.
Resolution
For more information about how to download the hotfix for Windows 7 SP1, Windows Server 2008 R2 SP1, or Windows Embedded Standard 7 SP1, click the following article number to view the article in the Microsoft Knowledge Base:
2922223 You cannot change system time if RealTimeIsUniversal registry entry is enabled in Windows NoteThe update for Windows Server 2008 also contains another update. That update resolves a similar issue that occurs during the transition to a new year in Windows Server 2008.For more information about how to work around this issue in Windows XP and Windows Vista, click the following article number to view the article in the Microsoft Knowledge Base:
2687252 System may become unresponsive during Daylight Saving Time (DST) changeover if RealTimeIsUniversal is set
Hotfix information
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:
http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
Prerequisites
To apply this hotfix, you must be running one of the following operating systems:
-
Windows Server 2008 Service Pack 2 (SP2)
-
Windows 7 Service Pack 1 (SP1)
-
Windows Server 2008 R2 SP1
For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
968849 How to obtain the latest service pack for Windows Server 2008For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2
Registry information
To apply this hotfix, you do not have to make any changes to the registry.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in UTC. The dates and the times for these files on your local computer are displayed in your local time together with your current DST bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows Server 2008, Windows 7, and Windows Server 2008 R2 file information notes Important Only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to Windows Server 2008, select the hotfix that is listed under "Windows Vista" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
-
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
6.0.600 2.23xxx
Windows Server 2008
SP2
LDR
6.1.760 1.22xxx
Windows 7 and Windows Server 2008 R2
SP1
LDR
-
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows Server 2008
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Ntkrnlpa.exe |
6.0.6002.23037 |
3,605,352 |
09-Feb-2013 |
05:28 |
Not applicable |
|
Ntoskrnl.exe |
6.0.6002.23037 |
3,553,656 |
09-Feb-2013 |
05:28 |
Not applicable |
For all supported x64-based versions of Windows Server 2008
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Ntoskrnl.exe |
6.0.6002.23037 |
4,682,088 |
09-Feb-2013 |
05:17 |
x64 |
For all supported IA-64-based versions of Windows Server 2008
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Ntoskrnl.exe |
6.0.6002.23037 |
9,471,864 |
09-Feb-2013 |
05:06 |
IA-64 |
For all supported x86-based versions of Windows 7
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Appid-ppdlic.xrm-ms |
Not applicable |
3,013 |
25-Dec-2013 |
02:26 |
Not applicable |
|
Appid.sys |
6.1.7601.22551 |
50,176 |
25-Dec-2013 |
01:12 |
x86 |
|
Appidapi.dll |
6.1.7601.22551 |
50,688 |
25-Dec-2013 |
02:03 |
x86 |
|
Appidcertstorecheck.exe |
6.1.7601.22551 |
16,896 |
25-Dec-2013 |
01:12 |
x86 |
|
Appidpolicyconverter.exe |
6.1.7601.22551 |
97,792 |
25-Dec-2013 |
01:12 |
x86 |
|
Appidsvc.dll |
6.1.7601.22551 |
29,696 |
25-Dec-2013 |
01:12 |
x86 |
|
Csrsrv.dll |
6.1.7601.18113 |
38,912 |
19-Mar-2013 |
04:48 |
x86 |
|
Csrsrv.dll |
6.1.7601.22551 |
38,912 |
25-Dec-2013 |
02:03 |
x86 |
|
Ntkrnlpa.exe |
6.1.7601.18352 |
3,969,984 |
26-Dec-2013 |
02:03 |
Not applicable |
|
Ntoskrnl.exe |
6.1.7601.18352 |
3,914,176 |
26-Dec-2013 |
02:03 |
Not applicable |
|
Ntkrnlpa.exe |
6.1.7601.22551 |
3,974,080 |
25-Dec-2013 |
02:10 |
Not applicable |
|
Ntoskrnl.exe |
6.1.7601.22551 |
3,918,784 |
25-Dec-2013 |
02:10 |
Not applicable |
|
Apisetschema.dll |
6.1.7600.16385 |
6,656 |
14-Jul-2009 |
01:03 |
x86 |
|
Smss.exe |
6.1.7601.18113 |
69,632 |
19-Mar-2013 |
02:49 |
x86 |
|
Apisetschema.dll |
6.1.7601.22551 |
6,656 |
25-Dec-2013 |
02:03 |
x86 |
|
Smss.exe |
6.1.7601.22551 |
69,632 |
25-Dec-2013 |
00:56 |
x86 |
|
Apisetschema.dll |
6.1.7600.16385 |
12,648 |
02-Apr-2010 |
03:07 |
x86 |
|
Smss.exe |
6.1.7601.18113 |
69,632 |
19-Mar-2013 |
02:49 |
x86 |
|
Apisetschema.dll |
6.1.7601.22551 |
6,656 |
25-Dec-2013 |
02:03 |
x86 |
|
Smss.exe |
6.1.7601.22551 |
69,632 |
25-Dec-2013 |
00:56 |
x86 |
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Appid-ppdlic.xrm-ms |
Not applicable |
3,013 |
25-Dec-2013 |
02:51 |
Not applicable |
|
Appid.sys |
6.1.7601.22551 |
61,952 |
25-Dec-2013 |
01:32 |
x64 |
|
Appidapi.dll |
6.1.7601.22551 |
58,368 |
25-Dec-2013 |
02:28 |
x64 |
|
Appidcertstorecheck.exe |
6.1.7601.22551 |
17,920 |
25-Dec-2013 |
01:32 |
x64 |
|
Appidpolicyconverter.exe |
6.1.7601.22551 |
148,480 |
25-Dec-2013 |
01:32 |
x64 |
|
Appidsvc.dll |
6.1.7601.22551 |
34,304 |
25-Dec-2013 |
02:28 |
x64 |
|
Csrsrv.dll |
6.1.7601.18229 |
43,520 |
02-Aug-2013 |
02:12 |
x64 |
|
Csrsrv.dll |
6.1.7601.22551 |
43,520 |
25-Dec-2013 |
02:29 |
x64 |
|
Ntoskrnl.exe |
6.1.7601.18352 |
5,550,016 |
26-Dec-2013 |
02:31 |
x64 |
|
Ntoskrnl.exe |
6.1.7601.22551 |
5,553,088 |
25-Dec-2013 |
02:35 |
x64 |
|
Apisetschema.dll |
6.1.7601.18229 |
6,656 |
02-Aug-2013 |
02:12 |
x64 |
|
Smss.exe |
6.1.7601.18229 |
112,640 |
02-Aug-2013 |
00:59 |
x64 |
|
Apisetschema.dll |
6.1.7601.22551 |
6,656 |
25-Dec-2013 |
02:28 |
x64 |
|
Smss.exe |
6.1.7601.22551 |
112,640 |
25-Dec-2013 |
01:12 |
x64 |
|
Apisetschema.dll |
6.1.7601.18229 |
6,656 |
02-Aug-2013 |
02:12 |
x64 |
|
Smss.exe |
6.1.7601.18229 |
112,640 |
02-Aug-2013 |
00:59 |
x64 |
|
Apisetschema.dll |
6.1.7601.22551 |
6,656 |
25-Dec-2013 |
02:28 |
x64 |
|
Smss.exe |
6.1.7601.22551 |
112,640 |
25-Dec-2013 |
01:12 |
x64 |
|
Appidapi.dll |
6.1.7601.22551 |
50,688 |
25-Dec-2013 |
02:03 |
x86 |
|
Apisetschema.dll |
6.1.7601.18229 |
6,656 |
02-Aug-2013 |
01:48 |
x86 |
|
Apisetschema.dll |
6.1.7601.22551 |
6,656 |
25-Dec-2013 |
02:03 |
x86 |
|
Apisetschema.dll |
6.1.7601.18229 |
6,656 |
02-Aug-2013 |
01:48 |
x86 |
|
Apisetschema.dll |
6.1.7601.22551 |
6,656 |
25-Dec-2013 |
02:03 |
x86 |
|
Ntkrnlpa.exe |
6.1.7601.18352 |
3,969,984 |
26-Dec-2013 |
02:03 |
Not applicable |
|
Ntoskrnl.exe |
6.1.7601.18352 |
3,914,176 |
26-Dec-2013 |
02:03 |
Not applicable |
|
Ntkrnlpa.exe |
6.1.7601.22551 |
3,974,080 |
25-Dec-2013 |
02:10 |
Not applicable |
|
Ntoskrnl.exe |
6.1.7601.22551 |
3,918,784 |
25-Dec-2013 |
02:10 |
Not applicable |
For all supported IA-64-based versions of Windows Server 2008 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Appid-ppdlic.xrm-ms |
Not applicable |
3,013 |
25-Dec-2013 |
01:56 |
Not applicable |
|
Appid.sys |
6.1.7601.22551 |
131,584 |
25-Dec-2013 |
00:59 |
IA-64 |
|
Appidapi.dll |
6.1.7601.22551 |
116,736 |
25-Dec-2013 |
01:33 |
IA-64 |
|
Appidcertstorecheck.exe |
6.1.7601.22551 |
39,424 |
25-Dec-2013 |
00:59 |
IA-64 |
|
Appidpolicyconverter.exe |
6.1.7601.22551 |
282,624 |
25-Dec-2013 |
00:59 |
IA-64 |
|
Appidsvc.dll |
6.1.7601.22551 |
74,240 |
25-Dec-2013 |
01:33 |
IA-64 |
|
Csrsrv.dll |
6.1.7601.18229 |
94,720 |
02-Aug-2013 |
01:25 |
IA-64 |
|
Csrsrv.dll |
6.1.7601.22551 |
94,720 |
25-Dec-2013 |
01:34 |
IA-64 |
|
Ntoskrnl.exe |
6.1.7601.18352 |
11,115,968 |
26-Dec-2013 |
01:40 |
IA-64 |
|
Ntoskrnl.exe |
6.1.7601.22551 |
11,126,720 |
25-Dec-2013 |
01:40 |
IA-64 |
|
Apisetschema.dll |
6.1.7601.18229 |
6,656 |
02-Aug-2013 |
01:25 |
IA-64 |
|
Smss.exe |
6.1.7601.18229 |
207,872 |
02-Aug-2013 |
00:34 |
IA-64 |
|
Apisetschema.dll |
6.1.7601.22551 |
6,656 |
25-Dec-2013 |
01:33 |
IA-64 |
|
Smss.exe |
6.1.7601.22551 |
207,872 |
25-Dec-2013 |
00:41 |
IA-64 |
|
Appidapi.dll |
6.1.7601.22551 |
50,688 |
25-Dec-2013 |
02:03 |
x86 |
|
Apisetschema.dll |
6.1.7601.18229 |
6,656 |
02-Aug-2013 |
01:48 |
x86 |
|
Apisetschema.dll |
6.1.7601.22551 |
6,656 |
25-Dec-2013 |
02:03 |
x86 |
|
Ntkrnlpa.exe |
6.1.7601.18352 |
3,969,984 |
26-Dec-2013 |
02:03 |
Not applicable |
|
Ntoskrnl.exe |
6.1.7601.18352 |
3,914,176 |
26-Dec-2013 |
02:03 |
Not applicable |
|
Ntkrnlpa.exe |
6.1.7601.22551 |
3,974,080 |
25-Dec-2013 |
02:10 |
Not applicable |
|
Ntoskrnl.exe |
6.1.7601.22551 |
3,918,784 |
25-Dec-2013 |
02:10 |
Not applicable |
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Additional file information
