Unexpected ASP.Net application shutdown after many App_Data file changes occur on a server that is running Windows Server 2012 R2

Symptoms

Consider the following scenario:

  • You have a server that is running Windows Server 2012 R2.

  • You set up a website on Internet Information Services (IIS).

  • You create a simple website that creates or deletes lots of files in the App_Data folder.


In this scenario, you experience an unexpected ASP.NET application shutdown because of high disk I/O and configuration changes.

Resolution

Method 1: Windows Update

This update is provided as an Optional update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

Operating system

Update

All supported x86-based versions of Windows 8.1

Download Download the package now.

All supported x64-based versions of Windows 8.1

Download Download the package now.

All supported x64-based versions of Windows Server 2012 R2

Download Download the package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Method 3: Hotfix information

A supported hotfix is available from Microsoft Support. 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, 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.

Prerequisites

To apply this update in Windows 8.1 or Windows Server 2012 R2, you must first have update 2919355 installed.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

The English (United States) 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 and notesImportant Windows 8.1 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 and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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

Administration.config

Not applicable

18,690

21-Aug-2013

23:57

Not applicable

Admwprox.dll

8.5.9600.17415

51,200

29-Oct-2014

01:49

x86

Ahadmin.dll

8.5.9600.17415

25,600

29-Oct-2014

01:05

x86

Appcmd.exe

8.5.9600.17415

108,032

29-Oct-2014

01:45

x86

Appcmd.xml

Not applicable

3,810

01-Jul-2013

16:49

Not applicable

Applicationhost.config

Not applicable

9,611

18-Jun-2013

12:18

Not applicable

Appobj.dll

8.5.9600.17415

350,720

29-Oct-2014

01:27

x86

Aspnetca.exe

8.5.9600.17415

124,416

29-Oct-2014

01:30

x86

Aspnet_schema.xml

Not applicable

43,105

18-Jun-2013

12:19

Not applicable

Certobj.dll

8.5.9600.17415

60,928

29-Oct-2014

01:28

x86

Ftp_rscaext.xml

Not applicable

2,685

18-Jun-2013

12:19

Not applicable

Ftp_schema.xml

Not applicable

31,311

01-Apr-2014

03:40

Not applicable

Fx_schema.xml

Not applicable

27,362

18-Jun-2013

12:19

Not applicable

Iismig.dll

8.5.9600.17415

281,600

29-Oct-2014

01:24

x86

Iisreg.dll

8.5.9600.17415

84,992

29-Oct-2014

01:58

x86

Iisres.dll

8.5.9600.16384

229,376

22-Aug-2013

04:15

x86

Iisreset.exe

8.5.9600.17415

15,872

29-Oct-2014

01:54

x86

Iisrstap.dll

8.5.9600.17415

9,728

29-Oct-2014

01:52

x86

Iisrstas.exe

8.5.9600.17415

32,256

29-Oct-2014

01:46

x86

Iisrtl.dll

8.5.9600.17415

168,960

29-Oct-2014

01:48

x86

Iissetup.exe

8.5.9600.17415

156,160

29-Oct-2014

01:21

x86

Iissyspr.dll

8.5.9600.17415

52,224

29-Oct-2014

01:43

x86

Iisutil.dll

8.5.9600.17415

240,128

29-Oct-2014

01:00

x86

Iis_schema.xml

Not applicable

90,728

18-Jun-2013

12:19

Not applicable

Nativerd.dll

8.5.9600.17918

389,632

27-Jun-2015

01:24

x86

Redirection.config

Not applicable

490

18-Jun-2013

12:19

Not applicable

Rsca.dll

8.5.9600.17415

29,184

29-Oct-2014

01:48

x86

Rscaext.dll

8.5.9600.17415

52,224

29-Oct-2014

01:47

x86

Rscaext.xml

Not applicable

8,476

18-Jun-2013

12:19

Not applicable

Uihelper.dll

8.5.9600.17918

150,528

27-Jun-2015

01:59

x86

W3ctrlps.dll

8.5.9600.17415

11,264

29-Oct-2014

01:59

x86

Wamregps.dll

8.5.9600.17415

11,264

29-Oct-2014

01:49

x86

Webdav_schema.xml

Not applicable

4,757

18-Jun-2013

12:20

Not applicable

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

File name

File version

File size

Date

Time

Platform

Administration.config

Not applicable

18,690

22-Aug-2013

07:01

Not applicable

Admwprox.dll

8.5.9600.17415

55,808

29-Oct-2014

02:31

x64

Ahadmin.dll

8.5.9600.17415

63,488

29-Oct-2014

01:28

x64

Appcmd.exe

8.5.9600.17415

121,344

29-Oct-2014

02:26

x64

Appcmd.xml

Not applicable

3,810

01-Jul-2013

16:49

Not applicable

Applicationhost.config

Not applicable

9,611

18-Jun-2013

14:43

Not applicable

Appobj.dll

8.5.9600.17918

408,064

27-Jun-2015

02:31

x64

Aspnetca.exe

8.5.9600.17415

137,728

29-Oct-2014

02:06

x64

Aspnet_schema.xml

Not applicable

43,105

18-Jun-2013

14:43

Not applicable

Certobj.dll

8.5.9600.17415

72,192

29-Oct-2014

02:04

x64

Ftp_rscaext.xml

Not applicable

2,685

18-Jun-2013

14:44

Not applicable

Ftp_schema.xml

Not applicable

31,311

01-Apr-2014

03:40

Not applicable

Fx_schema.xml

Not applicable

27,362

18-Jun-2013

14:43

Not applicable

Iismig.dll

8.5.9600.17415

327,680

29-Oct-2014

01:57

x64

Iisreg.dll

8.5.9600.17415

109,056

29-Oct-2014

02:43

x64

Iisres.dll

8.5.9600.16384

229,376

22-Aug-2013

11:44

x64

Iisreset.exe

8.5.9600.17415

17,920

29-Oct-2014

02:36

x64

Iisrstap.dll

8.5.9600.17415

12,800

29-Oct-2014

02:34

x64

Iisrstas.exe

8.5.9600.17415

36,352

29-Oct-2014

02:27

x64

Iisrtl.dll

8.5.9600.17415

202,240

29-Oct-2014

02:30

x64

Iissetup.exe

8.5.9600.17415

183,808

29-Oct-2014

01:53

x64

Iissyspr.dll

8.5.9600.17415

62,976

29-Oct-2014

02:23

x64

Iisutil.dll

8.5.9600.17415

297,984

29-Oct-2014

01:21

x64

Iis_schema.xml

Not applicable

90,728

18-Jun-2013

14:43

Not applicable

Nativerd.dll

8.5.9600.17918

517,632

27-Jun-2015

01:55

x64

Redirection.config

Not applicable

490

18-Jun-2013

14:43

Not applicable

Rsca.dll

8.5.9600.17415

33,792

29-Oct-2014

02:29

x64

Rscaext.dll

8.5.9600.17415

56,320

29-Oct-2014

02:29

x64

Rscaext.xml

Not applicable

8,476

18-Jun-2013

14:43

Not applicable

Uihelper.dll

8.5.9600.17918

194,048

27-Jun-2015

02:48

x64

W3ctrlps.dll

8.5.9600.17415

15,360

29-Oct-2014

02:44

x64

Wamregps.dll

8.5.9600.17415

15,872

29-Oct-2014

02:31

x64

Webdav_schema.xml

Not applicable

4,757

18-Jun-2013

14:45

Not applicable

Admwprox.dll

8.5.9600.17415

51,200

29-Oct-2014

01:49

x86

Ahadmin.dll

8.5.9600.17415

25,600

29-Oct-2014

01:05

x86

Appcmd.exe

8.5.9600.17415

108,032

29-Oct-2014

01:45

x86

Appcmd.xml

Not applicable

3,810

01-Jul-2013

16:49

Not applicable

Appobj.dll

8.5.9600.17415

350,720

29-Oct-2014

01:27

x86

Aspnetca.exe

8.5.9600.17415

124,416

29-Oct-2014

01:30

x86

Certobj.dll

8.5.9600.17415

60,928

29-Oct-2014

01:28

x86

Iismig.dll

8.5.9600.17415

281,600

29-Oct-2014

01:24

x86

Iisreg.dll

8.5.9600.17415

84,992

29-Oct-2014

01:58

x86

Iisres.dll

8.5.9600.16384

229,376

22-Aug-2013

04:15

x86

Iisreset.exe

8.5.9600.17415

15,872

29-Oct-2014

01:54

x86

Iisrstap.dll

8.5.9600.17415

9,728

29-Oct-2014

01:52

x86

Iisrtl.dll

8.5.9600.17415

168,960

29-Oct-2014

01:48

x86

Iissetup.exe

8.5.9600.17415

156,160

29-Oct-2014

01:21

x86

Iissyspr.dll

8.5.9600.17415

52,224

29-Oct-2014

01:43

x86

Iisutil.dll

8.5.9600.17415

240,128

29-Oct-2014

01:00

x86

Nativerd.dll

8.5.9600.17918

389,632

27-Jun-2015

01:24

x86

Rsca.dll

8.5.9600.17415

29,184

29-Oct-2014

01:48

x86

Rscaext.dll

8.5.9600.17415

52,224

29-Oct-2014

01:47

x86

Uihelper.dll

8.5.9600.17918

150,528

27-Jun-2015

01:59

x86

W3ctrlps.dll

8.5.9600.17415

11,264

29-Oct-2014

01:59

x86

Wamregps.dll

8.5.9600.17415

11,264

29-Oct-2014

01:49

x86

Additional file information for Windows 8.1 and Windows Server 2012 R2

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

File property

Value

File name

X86_cef1962cf35b6a19eb92329c977c0c74_31bf3856ad364e35_6.3.9600.17919_none_a7b5f19e41499d7b.manifest

File version

Not applicable

File size

707

Date (UTC)

29-Jun-2015

Time (UTC)

17:32

Platform

Not applicable

File name

X86_microsoft-windows-iis-sharedlibraries_31bf3856ad364e35_6.3.9600.17919_none_a5d9dccdd02eb031.manifest

File version

Not applicable

File size

72,577

Date (UTC)

29-Jun-2015

Time (UTC)

17:35

Platform

Not applicable

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

File property

Value

File name

Amd64_d7491519b71307b06c4150fc73b99963_31bf3856ad364e35_6.3.9600.17919_none_91770ecd938bfad0.manifest

File version

Not applicable

File size

711

Date (UTC)

29-Jun-2015

Time (UTC)

17:32

Platform

Not applicable

File name

Amd64_d815b9525d4cef8722872ad14161c5bd_31bf3856ad364e35_6.3.9600.17919_none_e88fa64b8989f855.manifest

File version

Not applicable

File size

711

Date (UTC)

29-Jun-2015

Time (UTC)

17:32

Platform

Not applicable

File name

Amd64_microsoft-windows-iis-sharedlibraries_31bf3856ad364e35_6.3.9600.17919_none_01f87851888c2167.manifest

File version

Not applicable

File size

72,583

Date (UTC)

29-Jun-2015

Time (UTC)

17:32

Platform

Not applicable

File name

Wow64_microsoft-windows-iis-sharedlibraries_31bf3856ad364e35_6.3.9600.17919_none_0c4d22a3bcece362.manifest

File version

Not applicable

File size

63,176

Date (UTC)

29-Jun-2015

Time (UTC)

17:32

Platform

Not applicable


Status

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

References

Learn about the terminology that Microsoft uses to describe software updates.

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