Symptoms
Consider the following scenario:
- You install the Windows Server AppFabric feature on an Internet Information Services (IIS) server that is running Windows 8.1, Windows Server 2012 R2, Windows 7 service Pack 1 (SP1), or Windows Server 2008 R2 SP1.
- You create a website, and then you add multiple applications to the website.
- These applications are running under different application pools.
- You enable the auto-start feature for different services in these applications.
- You deploy a new service to run under the same website. Or, you restart an existing service.
In this scenario, all the services in these applications are preloaded in all the application pools. The expected behavior is that the services are isolated to their specific application pools.
For example, you create a website that is named MySite on an IIS server. MySite includes two applications, which are named App1 and App2. MySite and App1 run in an application pool that is named AppPool1. App2 runs in an application pool that is named AppPool2. In App1, you enable the auto-start feature for a service that is named service_App1. In App2, you enable the auto-start feature for a service that is named service_App2. When you deploy a new service_App3 in application App3, and then run the service in application pool AppPool3, service_App1 and service_App2 are also loaded in the application pool AppPool3. However, only service_App3 should be loaded.
Cause
This issue occurs because of an error in the W3wphost.dll file. This error causes services to be preloaded in multiple application pools after a configuration change.
Resolution
Hotfix information
Important Do not install a language pack after you install this hotfix. If you do, the language-specific changes in the hotfix will not be applied, and you will have to reinstall the hotfix. For more information, see Add language packs to Windows.
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=support Note 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 have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2. Or, install Service Pack 1 for Windows 7 or Windows Server 2008 R2.
Registry information
To apply the hotfix in this package, you do not have to make any changes to the registry.
Restart requirement
You must restart the computer after you apply the hotfix if IIS is running when you apply the 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 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 notes
Important Windows 8.1 hotfixes and Windows Server 2012 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 8.1/Windows Server 2012 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 6.3.960 0.17xxx Windows 8.1 and Windows Server 2012 R2 RTM GDR 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 for 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 |
|---|---|---|---|---|---|
| Iisw3adm.dll | 8.5.9600.17783 | 501,248 | 26-Mar-2015 | 02:44 | x86 |
| W3tp.dll | 8.5.9600.17783 | 22,016 | 26-Mar-2015 | 02:06 | x86 |
| W3wphost.dll | 8.5.9600.17783 | 66,048 | 26-Mar-2015 | 02:01 | x86 |
| Wbhstipm.dll | 8.5.9600.17783 | 25,600 | 26-Mar-2015 | 02:56 | x86 |
| Wbhst_pm.dll | 8.5.9600.17783 | 25,088 | 26-Mar-2015 | 02:53 | 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 |
|---|---|---|---|---|---|
| Iisw3adm.dll | 8.5.9600.17783 | 570,880 | 26-Mar-2015 | 04:04 | x64 |
| W3tp.dll | 8.5.9600.17783 | 28,160 | 26-Mar-2015 | 03:09 | x64 |
| W3wphost.dll | 8.5.9600.17783 | 75,264 | 26-Mar-2015 | 03:02 | x64 |
| Wbhstipm.dll | 8.5.9600.17783 | 30,208 | 26-Mar-2015 | 04:19 | x64 |
| Wbhst_pm.dll | 8.5.9600.17783 | 28,160 | 26-Mar-2015 | 04:16 | x64 |
| Iisw3adm.dll | 8.5.9600.17783 | 501,248 | 26-Mar-2015 | 02:44 | x86 |
| W3tp.dll | 8.5.9600.17783 | 22,016 | 26-Mar-2015 | 02:06 | x86 |
| W3wphost.dll | 8.5.9600.17783 | 66,048 | 26-Mar-2015 | 02:01 | x86 |
| Wbhstipm.dll | 8.5.9600.17783 | 25,600 | 26-Mar-2015 | 02:56 | x86 |
| Wbhst_pm.dll | 8.5.9600.17783 | 25,088 | 26-Mar-2015 | 02:53 | x86 |
Windows 7 and Windows Server 2008 R2 file information notes
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 SR_Level Service branch 6.1.760 1. 21xxx 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 for Windows 7 and for Windows Server 2008 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 7
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| W3wphost.dll | 7.5.7600.21141 | 55,296 | 01-Feb-2012 | 05:36 | x86 |
| W3wphost.dll | 7.5.7601.21912 | 55,296 | 01-Feb-2012 | 06:52 | 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 |
|---|---|---|---|---|---|
| W3wphost.dll | 7.5.7600.21141 | 60,928 | 01-Feb-2012 | 06:29 | x64 |
| W3wphost.dll | 7.5.7601.21912 | 60,928 | 01-Feb-2012 | 06:36 | x64 |
For all supported IA-64–based versions of Windows Server 2008 R2
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| W3wphost.dll | 7.5.7600.21141 | 144,384 | 01-Feb-2012 | 05:15 | IA-64 |
| W3wphost.dll | 7.5.7601.21912 | 144,384 | 01-Feb-2012 | 05:25 | IA-64 |
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_f1c682ac1cedf13fa518a1c976ca9fab_31bf3856ad364e35_6.3.9600.17783_none_8064f587a18d781e.manifest |
| File version | Not applicable |
| File size | 717 |
| Date (UTC) | 26-Mar-2015 |
| Time (UTC) | 12:05 |
| Platform | Not applicable |
| File name | X86_microsoft-windows-p..ellibrariesbinaries_31bf3856ad364e35_6.3.9600.17783_none_0f5ab6658a55a466.manifest |
| File version | Not applicable |
| File size | 11,784 |
| Date (UTC) | 26-Mar-2015 |
| Time (UTC) | 05:32 |
| 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_1e3897e9a5d6da3819f46315cfb76c22_31bf3856ad364e35_6.3.9600.17783_none_71c98fb5f6ebe592.manifest |
| File version | Not applicable |
| File size | 721 |
| Date (UTC) | 26-Mar-2015 |
| Time (UTC) | 12:05 |
| Platform | Not applicable |
| File name | Amd64_5018c3660734c2c503d2df8dd2afb2bc_31bf3856ad364e35_6.3.9600.17783_none_02b7be38b77c038f.manifest |
| File version | Not applicable |
| File size | 721 |
| Date (UTC) | 26-Mar-2015 |
| Time (UTC) | 12:05 |
| Platform | Not applicable |
| File name | Amd64_microsoft-windows-p..ellibrariesbinaries_31bf3856ad364e35_6.3.9600.17783_none_6b7951e942b3159c.manifest |
| File version | Not applicable |
| File size | 11,790 |
| Date (UTC) | 26-Mar-2015 |
| Time (UTC) | 05:37 |
| Platform | Not applicable |
| File name | Wow64_microsoft-windows-p..ellibrariesbinaries_31bf3856ad364e35_6.3.9600.17783_none_75cdfc3b7713d797.manifest |
| File version | Not applicable |
| File size | 10,115 |
| Date (UTC) | 26-Mar-2015 |
| Time (UTC) | 05:32 |
| Platform | Not applicable |
Additional file information for Windows 7 and for Windows Server 2008 R2
Additional files for all supported x86-based versions of Windows 7
| File name | Update.mum |
|---|---|
| File version | Not Applicable |
| File size | 3,295 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:25 |
| File name | X86_84728235a201c41a012da7869236ae15_31bf3856ad364e35_6.1.7600.21141_none_c679fc69265ca403.manifest |
| File version | Not Applicable |
| File size | 709 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:25 |
| File name | X86_c6f75a2026e1e77fe40eee8a968a58a9_31bf3856ad364e35_6.1.7601.21912_none_81b700deb0d27f68.manifest |
| File version | Not Applicable |
| File size | 709 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:25 |
| File name | X86_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7600.21141_none_db2371ce2536dd54.manifest |
| File version | Not Applicable |
| File size | 12,568 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 06:04 |
| File name | X86_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7601.21912_none_dd2b68a62243d8a9.manifest |
| File version | Not Applicable |
| File size | 12,568 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 07:19 |
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
| File name | Amd64_605f2910fb3671de81638af6b238c1ff_31bf3856ad364e35_6.1.7601.21912_none_b3e3997337e4b4e0.manifest |
|---|---|
| File version | Not Applicable |
| File size | 1,068 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:26 |
| File name | Amd64_64cb8c2bfcd6b3f3de844585a24df84c_31bf3856ad364e35_6.1.7600.21141_none_391da4727eab82a6.manifest |
| File version | Not Applicable |
| File size | 1,068 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:25 |
| File name | Amd64_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7600.21141_none_37420d51dd944e8a.manifest |
| File version | Not Applicable |
| File size | 12,574 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 06:57 |
| File name | Amd64_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7601.21912_none_394a0429daa149df.manifest |
| File version | Not Applicable |
| File size | 12,574 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 07:58 |
| File name | Update.mum |
| File version | Not Applicable |
| File size | 3,737 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:26 |
| File name | Wow64_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7600.21141_none_4196b7a411f51085.manifest |
| File version | Not Applicable |
| File size | 12,249 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 05:54 |
| File name | Wow64_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7601.21912_none_439eae7c0f020bda.manifest |
| File version | Not Applicable |
| File size | 12,249 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 07:10 |
Additional files for all supported IA-64–based versions of Windows Server 2008 R2
| File name | Ia64_d773d20ff46a7701701faa1622957e22_31bf3856ad364e35_6.1.7601.21912_none_f63492bc43093399.manifest |
|---|---|
| File version | Not Applicable |
| File size | 1,066 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:25 |
| File name | Ia64_ef4c205d40865aee2a1f212fb99fe379_31bf3856ad364e35_6.1.7600.21141_none_6b26810813307ad8.manifest |
| File version | Not Applicable |
| File size | 1,066 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:25 |
| File name | Ia64_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7600.21141_none_db2515c42534e650.manifest |
| File version | Not Applicable |
| File size | 12,571 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 06:52 |
| File name | Ia64_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7601.21912_none_dd2d0c9c2241e1a5.manifest |
| File version | Not Applicable |
| File size | 12,571 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 08:03 |
| File name | Update.mum |
| File version | Not Applicable |
| File size | 2,767 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 09:25 |
| File name | Wow64_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7600.21141_none_4196b7a411f51085.manifest |
| File version | Not Applicable |
| File size | 12,249 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 05:54 |
| File name | Wow64_microsoft-windows-processmodellibraries_31bf3856ad364e35_6.1.7601.21912_none_439eae7c0f020bda.manifest |
| File version | Not Applicable |
| File size | 12,249 |
| Date (UTC) | 01-Feb-2012 |
| Time (UTC) | 07:10 |
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
For more information about Windows Server AppFabric, visit the following Microsoft website:
General information about Windows Server AppFabric For more information about the auto-start feature, visit the following Microsoft website:
General information about the auto-start feature For more information about how to configure auto-start, visit the following Microsoft website: