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"HTTP 400 - Bad Request" error when you open a shared mailbox through WAP in Windows Server 2012 R2

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This article describes an issue that occurs when you try to access shared mailboxes in Outlook Web App in Windows Server 2012 R2. A hotfix is available to resolve this issue. The hotfix has a prerequisite.

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Symptoms

The error message resembles the following:

HTTP 400 - Bad Request

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Cause

This issue occurs because Web Application Proxy (WAP) is encoding the reserved characters incorrectly.

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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 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 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 Server 2012 R2.

Registry information

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

Restart requirement

You may have to 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 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:

    VersionProductMilestoneService branch
    6.3.960 0.17xxxWindows Server 2012 R2RTMGDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" 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 x64-based versions of Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Webappproxycontroller.exe6.3.9600.17728285,18413-Mar-201503:17x64
Appproxy.exe6.3.9600.177281,147,39213-Mar-201503:20x64
Microsoft.identityserver.applicationproxy.authnzlib.exe6.3.9600.1772851,71213-Mar-201505:20x64
Microsoft.identityserver.applicationproxy.authnzlib.tlbNot applicable7,74011-Apr-201402:04Not applicable

Additional file information

Additional file information for Windows Server 2012 R2
Additional files for all supported x64-based versions of Windows Server 2012 R2
File propertyValue
File nameAmd64_0babf65f3fee2521d761a6124ce3e35d_31bf3856ad364e35_6.3.9600.17728_none_90a22041ae08725f.manifest
File versionNot applicable
File size719
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_1f29326a6bdb50cfd9c8ee15d3de99fc_31bf3856ad364e35_6.3.9600.17728_none_5621b8393daf734b.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_223f9eeebb95046f4388f298b2bba852_31bf3856ad364e35_6.3.9600.17728_none_437acebd2b68db3b.manifest
File versionNot applicable
File size1,465
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_280aa246d3261c41c421ec42f2435c1d_31bf3856ad364e35_6.3.9600.17728_none_ee95e6b3ee3122dc.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_314834f340933bf65e490a697b5a8d85_31bf3856ad364e35_6.3.9600.17728_none_ebc4e9f5027a9690.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_3b0f5330ad48870902ffc5764bb46947_31bf3856ad364e35_6.3.9600.17728_none_1d6248ad9547dc0e.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_58ac745f595f2c1126838c875dad0fc0_31bf3856ad364e35_6.3.9600.17728_none_058c7672cfc67223.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_5bba8cf19d85748e24b43ea380a690aa_31bf3856ad364e35_6.3.9600.17728_none_4ef82422220d60c8.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_82292cf7116376a5323804b06485061a_31bf3856ad364e35_6.3.9600.17728_none_fd3d360a49fa7ac2.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_985dcac3a0474831edf8f0a8d4210a6b_31bf3856ad364e35_6.3.9600.17728_none_e2e5a3a842341ae0.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_a1dd041c9d01f4d79eb59034ddbac86a_31bf3856ad364e35_6.3.9600.17728_none_d3af94c4e5ab3a3f.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_b86a1cfc23affb9a2eda2fd1ab98916a_31bf3856ad364e35_6.3.9600.17728_none_415a580dfe15d552.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_bd71b5e2f7baf0acef4fe58f661489b1_31bf3856ad364e35_6.3.9600.17728_none_d5df6ec4ea90f5da.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_c0c476f54532486c5e5676da65e2cc7e_31bf3856ad364e35_6.3.9600.17728_none_a03e75d412b68df0.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_c52dfad55e12f95733c7f65ff67f4691_31bf3856ad364e35_6.3.9600.17728_none_c743e0598362571e.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_ccabba0bfb9c2f7b31cc9aa90295309a_31bf3856ad364e35_6.3.9600.17728_none_d4f2975615abd7fc.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_d0dd56f71d8e144ec3582aab81fa7db1_31bf3856ad364e35_6.3.9600.17728_none_b0c7d8456f769959.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_e1f945112dfbc48e94349b37130ef450_31bf3856ad364e35_6.3.9600.17728_none_06f75228b198195f.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_e30f5a8ca2d0041e7e230a0cf9ef37da_31bf3856ad364e35_6.3.9600.17728_none_7cf9bbb92879854a.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_ee8c4802a4c7dc9e781823ff1a6ddd19_31bf3856ad364e35_6.3.9600.17728_none_c39b73a8450e2af4.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_fa1b9334ccfa2dabe119f50c6a970039_31bf3856ad364e35_6.3.9600.17728_none_e97eddfcdb6a502c.manifest
File versionNot applicable
File size727
Date (UTC)13-Mar-2015
Time (UTC)14:50
PlatformNot applicable
File nameAmd64_microsoft-windows-w..bappproxycontroller_31bf3856ad364e35_6.3.9600.17728_none_62f264c4cbd6e273.manifest
File versionNot applicable
File size7,056
Date (UTC)13-Mar-2015
Time (UTC)05:42
PlatformNot applicable
File nameAmd64_microsoft-windows-w..cationproxy-service_31bf3856ad364e35_6.3.9600.17728_none_c81ee6ea508313b1.manifest
File versionNot applicable
File size3,552
Date (UTC)13-Mar-2015
Time (UTC)05:42
PlatformNot applicable
File nameAmd64_microsoft-windows-w..oxy-instrumentation_31bf3856ad364e35_6.3.9600.17728_none_379c193003de7bc0.manifest
File versionNot applicable
File size130,405
Date (UTC)13-Mar-2015
Time (UTC)05:42
PlatformNot applicable
File nameAmd64_microsoft-windows-w..tionproxy-authnzlib_31bf3856ad364e35_6.3.9600.17728_none_adcbf217f479b02b.manifest
File versionNot applicable
File size14,593
Date (UTC)13-Mar-2015
Time (UTC)05:42
PlatformNot applicable

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Status

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

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References

See the terminology that Microsoft uses to describe software updates.

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Keywords: kb, kbautohotfix, kbqfe, kbhotfixserver, kbfix, kbsurveynew, kbexpertiseinter

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Article Info
Article ID : 3042127
Revision : 1
Created on : 1/7/2017
Published on : 4/14/2015
Exists online : False
Views : 234