Hotfix information
A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.Prerequisites
To apply this hotfix, your computer must be running Windows 7 or Windows Server 2008 R2.
Restart requirement
You must restart the computer after you apply this hotfix.Hotfix replacement information
This hotfix does not replace a previously released hotfix.File information
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 Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time and 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 7 and Windows Server 2008 R2 file information notes
Important Windows 7 and Windows Server 2008 R2 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows 7 and Windows Server 2008 R2, just select the product that is listed on the page.
For all supported x86-based versions of Windows 7
| File name | File version | File size | Date | Time | Platform |
|---|
| 1394bus.sys | 6.1.7600.16385 | 54,784 | 13-Jul-2009 | 23:51 | x86 |
| 1394ohci.sys | 6.1.7600.20575 | 163,328 | 14-Nov-2009 | 04:15 | x86 |
| Ohci1394.sys | 6.1.7600.16385 | 62,464 | 13-Jul-2009 | 23:51 | Not Applicable |
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
| File name | File version | File size | Date | Time | Platform |
|---|
| 1394bus.sys | 6.1.7600.16385 | 68,096 | 14-Jul-2009 | 00:06 | x64 |
| 1394ohci.sys | 6.1.7600.20575 | 228,352 | 14-Nov-2009 | 04:44 | x64 |
| Ohci1394.sys | 6.1.7600.16385 | 72,832 | 14-Jul-2009 | 00:06 | x64 |
For all supported IA-64-based versions of Windows Server 2008 R2
| File name | File version | File size | Date | Time | Platform |
|---|
| 1394bus.sys | 6.1.7600.16385 | 182,784 | 14-Jul-2009 | 00:22 | IA-64 |
| 1394ohci.sys | 6.1.7600.20575 | 509,952 | 14-Nov-2009 | 04:12 | IA-64 |
| Ohci1394.sys | 6.1.7600.16385 | 172,032 | 14-Jul-2009 | 00:22 | Not Applicable |