Users cannot access an IIS-hosted website after the computer password for the server is changed in Windows 7 or in Windows Server 2008 R2

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Article ID: 2545850
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Symptoms

Consider the following scenario:
  • You install Internet Information Service (IIS) on a computer that is running Windows 7 or Windows Server 2008 R2 in a domain.
  • You disable Anonymous Authentication and enable Windows Authentication for a hosted website.
  • You use the DefaultAppPool application pool or another application pool that uses ApplicationPoolIdentity as the identity for the hosted website.
  • You restart the IIS service after the computer password is changed.
In this scenario, users cannot access the website. They are incorrectly prompted for credentials. However, they cannot access the website if they enter correct credentials.

Note By default, the computer password is automatically changed every 30 days. You can also manually change the computer password by using the Nltest.exe utility.

Cause

This issue occurs because a flag is set in a global credential incorrectly after the computer password is changed. Therefore, authentication fails after the IIS service is restarted.

Resolution

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 this specific problem.

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, submit a request to 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 Web site:
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 be running one of the following operating systems:
  • Windows 7
  • Windows 7 Service Pack 1 (SP1)
  • Windows Server 2008 R2
  • Windows Server 2008 R2 Service Pack 1 (SP1)
For 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 use 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 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 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 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, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.1.760 0 . 16xxxWindows 7 and Windows Server 2008 R2RTMGDR
    6.1.760 0 . 20xxxWindows 7 and Windows Server 2008 R2RTMLDR
    6.1.760 1 . 17xxxWindows 7 and Windows Server 2008 R2SP1GDR
    6.1.760 1 . 21xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • 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 Server 2008 R2 and for Windows 7" 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 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cng.sys6.1.7600.16385369,56814-Jul-200901:17x86
Ksecdd.sys6.1.7600.2096767,45614-May-201106:35x86
Ksecpkg.sys6.1.7600.20967133,50414-May-201106:35x86
Lsasrv.dll6.1.7600.209671,037,82414-May-201106:32x86
Lsasrv.mofNot applicable13,78010-Jun-200921:33Not applicable
Lsass.exe6.1.7600.1638522,52814-Jul-200901:14x86
Secur32.dll6.1.7600.2096722,01614-May-201106:32x86
Sspicli.dll6.1.7600.20967100,35214-May-201106:32x86
Sspisrv.dll6.1.7600.2096715,36014-May-201106:32x86
Cng.sys6.1.7600.16385369,56814-Jul-200901:17x86
Ksecdd.sys6.1.7601.1751467,45620-Nov-201012:30x86
Ksecpkg.sys6.1.7601.21728133,50414-May-201107:48x86
Lsasrv.dll6.1.7601.217281,038,84814-May-201107:41x86
Lsasrv.mofNot applicable13,78010-Jun-200921:33Not applicable
Lsass.exe6.1.7601.2172822,52814-May-201107:36x86
Secur32.dll6.1.7601.1751422,01620-Nov-201012:21x86
Sspicli.dll6.1.7601.17514100,35220-Nov-201012:21x86
Sspisrv.dll6.1.7601.1751415,87220-Nov-201012:21x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cng.sys6.1.7600.16385460,50414-Jul-200901:43x64
Ksecdd.sys6.1.7600.2096795,61614-May-201107:43x64
Ksecpkg.sys6.1.7600.20967152,96014-May-201107:43x64
Lsasrv.dll6.1.7600.209671,446,40014-May-201107:35x64
Lsasrv.mofNot applicable13,78010-Jun-200920:52Not applicable
Lsass.exe6.1.7600.1638531,23214-Jul-200901:39x64
Secur32.dll6.1.7600.2096728,16014-May-201107:37x64
Sspicli.dll6.1.7600.20967136,19214-May-201107:39x64
Sspisrv.dll6.1.7600.2096728,67214-May-201107:39x64
Cng.sys6.1.7601.17514459,24820-Nov-201013:28x64
Ksecdd.sys6.1.7601.1751495,61620-Nov-201013:33x64
Ksecpkg.sys6.1.7601.21728152,96014-May-201107:10x64
Lsasrv.dll6.1.7601.217281,446,91214-May-201107:11x64
Lsasrv.mofNot applicable13,78010-Jun-200920:52Not applicable
Lsass.exe6.1.7601.2172831,23214-May-201107:10x64
Secur32.dll6.1.7601.1751428,16020-Nov-201013:27x64
Sspicli.dll6.1.7601.17514136,19220-Nov-201013:27x64
Sspisrv.dll6.1.7601.1751429,18420-Nov-201013:27x64
Lsasrv.mofNot applicable13,78022-Jul-200923:19Not applicable
Secur32.dll6.1.7600.2096722,01614-May-201106:32x86
Sspicli.dll6.1.7600.2096796,76814-May-201106:30x86
Lsasrv.mofNot applicable13,78012-Nov-201023:53Not applicable
Secur32.dll6.1.7601.2172822,01614-May-201107:43x86
Sspicli.dll6.1.7601.2172896,76814-May-201107:33x86
For all supported IA-64based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cng.sys6.1.7600.16385787,73614-Jul-200901:52IA-64
Ksecdd.sys6.1.7600.20967179,58414-May-201106:23IA-64
Ksecpkg.sys6.1.7600.20967307,07214-May-201106:23IA-64
Lsasrv.dll6.1.7600.209672,654,72014-May-201106:19IA-64
Lsasrv.mofNot applicable13,78010-Jun-200920:57Not applicable
Lsass.exe6.1.7600.1638556,32014-Jul-200901:44IA-64
Secur32.dll6.1.7600.2096748,64014-May-201106:19IA-64
Sspicli.dll6.1.7600.20967275,45614-May-201106:19IA-64
Sspisrv.dll6.1.7600.2096745,56814-May-201106:19IA-64
Cng.sys6.1.7600.16385787,73614-Jul-200901:52IA-64
Ksecdd.sys6.1.7601.17514179,58420-Nov-201010:33IA-64
Ksecpkg.sys6.1.7601.21728307,07214-May-201106:16IA-64
Lsasrv.dll6.1.7601.217282,655,74414-May-201106:14IA-64
Lsasrv.mofNot applicable13,78010-Jun-200920:57Not applicable
Lsass.exe6.1.7600.1638556,32014-Jul-200901:44IA-64
Secur32.dll6.1.7601.1751448,64020-Nov-201010:28IA-64
Sspicli.dll6.1.7601.17514275,45620-Nov-201010:28IA-64
Sspisrv.dll6.1.7601.1751446,08020-Nov-201010:28IA-64
Lsasrv.mofNot applicable13,78022-Jul-200923:19Not applicable
Secur32.dll6.1.7600.2096722,01614-May-201106:32x86
Sspicli.dll6.1.7600.2096796,76814-May-201106:30x86
Lsasrv.mofNot applicable13,78012-Nov-201023:53Not applicable
Secur32.dll6.1.7601.2172822,01614-May-201107:43x86
Sspicli.dll6.1.7601.2172896,76814-May-201107:33x86

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

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot applicable
File size2,773
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameX86_16e928c7a6939d7e391771b9804a8afd_31bf3856ad364e35_6.1.7600.20967_none_8e8734533763fa37.manifest
File versionNot applicable
File size691
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameX86_c996bbc931d781f98d93ca9585b5ba13_31bf3856ad364e35_6.1.7601.21728_none_747d0375e5b30e17.manifest
File versionNot applicable
File size691
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameX86_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20967_none_a6c2279ad72a5a00.manifest
File versionNot applicable
File size103,660
Date (UTC)14-May-2011
Time (UTC)11:26
PlatformNot applicable
File nameX86_microsoft-windows-lsa_31bf3856ad364e35_6.1.7601.21728_none_a8d4c49ad42f6f7f.manifest
File versionNot applicable
File size103,660
Date (UTC)14-May-2011
Time (UTC)11:26
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_088d4f313cfbf8d71c4d81879b0e298f_31bf3856ad364e35_6.1.7600.20967_none_c0f53d180ffe614d.manifest
File versionNot applicable
File size1,032
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameAmd64_33bdaad521283f1c7a5f3e99582333db_31bf3856ad364e35_6.1.7600.20967_none_838ccd9d9b04d70b.manifest
File versionNot applicable
File size695
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameAmd64_4148a545c3eb6fd2e840ed70d6d531de_31bf3856ad364e35_6.1.7601.21728_none_67f8a795418f4fac.manifest
File versionNot applicable
File size1,032
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameAmd64_ed340d0b9110eecc28df7502988b096c_31bf3856ad364e35_6.1.7601.21728_none_5a65eb22dec06c7e.manifest
File versionNot applicable
File size695
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameAmd64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20967_none_02e0c31e8f87cb36.manifest
File versionNot applicable
File size103,664
Date (UTC)14-May-2011
Time (UTC)11:29
PlatformNot applicable
File nameAmd64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7601.21728_none_04f3601e8c8ce0b5.manifest
File versionNot applicable
File size103,664
Date (UTC)14-May-2011
Time (UTC)11:29
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size3,215
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameWow64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20967_none_0d356d70c3e88d31.manifest
File versionNot applicable
File size86,382
Date (UTC)14-May-2011
Time (UTC)06:49
PlatformNot applicable
File nameWow64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7601.21728_none_0f480a70c0eda2b0.manifest
File versionNot applicable
File size86,382
Date (UTC)14-May-2011
Time (UTC)08:03
PlatformNot applicable
Additional files for all supported IA-64based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_7615fe1a79926cdc61a9ac746cf8cbba_31bf3856ad364e35_6.1.7601.21728_none_684e1e76c0ef1030.manifest
File versionNot applicable
File size1,030
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameIa64_ce05a992b29bad9158f439fe48541f2f_31bf3856ad364e35_6.1.7600.20967_none_c4c389c6736efc47.manifest
File versionNot applicable
File size1,030
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameIa64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20967_none_a6c3cb90d72862fc.manifest
File versionNot applicable
File size103,662
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameIa64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7601.21728_none_a8d66890d42d787b.manifest
File versionNot applicable
File size103,662
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,168
Date (UTC)14-May-2011
Time (UTC)11:23
PlatformNot applicable
File nameWow64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7600.20967_none_0d356d70c3e88d31.manifest
File versionNot applicable
File size86,382
Date (UTC)14-May-2011
Time (UTC)06:49
PlatformNot applicable
File nameWow64_microsoft-windows-lsa_31bf3856ad364e35_6.1.7601.21728_none_0f480a70c0eda2b0.manifest
File versionNot applicable
File size86,382
Date (UTC)14-May-2011
Time (UTC)08:03
PlatformNot applicable

Properties

Article ID: 2545850 - Last Review: December 27, 2012 - Revision: 2.1
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbexpertiseinter KB2545850

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