Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

Symptoms

Assume that you have a web application that is hosted on a server that is running Internet Information Services (IIS) 8.5. A request is sent to a default document on the server, and more than four IIS server variables exist. In this situation, IIS that is running on the server crashes occasionally.

Resolution

To resolve this issue, we have released an update rollup and a hotfix for Windows 8.1 and Windows Server 2012 R2.

Before you install this hotfix, check the prerequisite of the hotfix.

The update rollup fixes many other issues in addition to the issue that the hotfix fixes. We recommend that you use the update rollup. The update rollup is larger than the hotfix. Therefore, the update rollup takes longer to download.

Get the update rollup for Windows 8.1 and Windows Server 2012 R2To resolve this issue, install the update rollup that is dated December 2014. 

Get the December 2014 update rollup for Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2

Get the hotfix for Windows 8.1 and Windows Server 2012 R2 A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that 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, go to 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.

Hotfix detail information

PrerequisitesTo apply this hotfix, you must first install update 2919355 on Windows 8.1 or Windows Server 2012 R2. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014

Registry informationTo use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirementYou may have to restart the computer after you apply this hotfix.

Hotfix replacement informationThis hotfix does not replace a previously released hotfix.


Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More 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 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 8.1 and Windows Server 2012 R2 file information notes

Important Windows 8.1 hotfixes and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to. The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1 and Windows Server 2012 R2" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. 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 8.1

File name

File version

File size

Date

Time

Platform

Hwebcore.dll

8.5.9600.16384

15,872

22-Aug-2013

02:53

x86

Iiscore.dll

8.5.9600.17224

211,968

30-Jun-2014

22:35

x86

W3dt.dll

8.5.9600.16384

102,400

22-Aug-2013

02:52

x86

For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Hwebcore.dll

8.5.9600.16384

17,408

22-Aug-2013

10:02

x64

Iiscore.dll

8.5.9600.17224

308,224

30-Jun-2014

22:33

x64

W3dt.dll

8.5.9600.17223

108,032

28-Jun-2014

06:29

x64

Hwebcore.dll

8.5.9600.16384

15,872

22-Aug-2013

02:53

x86

Iiscore.dll

8.5.9600.17224

211,968

30-Jun-2014

22:35

x86

W3dt.dll

8.5.9600.16384

102,400

22-Aug-2013

02:52

x86

Additional file information

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_fbd0323ffc0a8c3e31deae982aa73a0f_31bf3856ad364e35_6.3.9600.17225_none_c143f43a08923260.manifest

File version

Not applicable

File size

713

Date (UTC)

04-Jul-2014

Time (UTC)

00:01

Platform

Not applicable

File name

X86_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.3.9600.17225_none_29e5b6e3415597bb.manifest

File version

Not applicable

File size

7,012

Date (UTC)

04-Jul-2014

Time (UTC)

00:01

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File property

Value

File name

Amd64_cacbc3a58462c8572595d0fe5fb37fea_31bf3856ad364e35_6.3.9600.17225_none_f2a9d8c844005df5.manifest

File version

Not applicable

File size

717

Date (UTC)

04-Jul-2014

Time (UTC)

00:05

Platform

Not applicable

File name

Amd64_f09b892a4a41c0769e853e79e878a44c_31bf3856ad364e35_6.3.9600.17225_none_3dd2b402265a8c8a.manifest

File version

Not applicable

File size

717

Date (UTC)

04-Jul-2014

Time (UTC)

00:05

Platform

Not applicable

File name

Amd64_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.3.9600.17225_none_86045266f9b308f1.manifest

File version

Not applicable

File size

7,018

Date (UTC)

04-Jul-2014

Time (UTC)

00:05

Platform

Not applicable

File name

Wow64_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.3.9600.17225_none_9058fcb92e13caec.manifest

File version

Not applicable

File size

6,089

Date (UTC)

04-Jul-2014

Time (UTC)

00:05

Platform

Not applicable


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

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!

×