Applies ToWindows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Essentials Windows Server 2012 Foundation Windows Server 2012 Foundation Windows Server 2012 Standard Windows Server 2012 Standard

Symptoms

Remote users cannot log on to a Windows Server 2012-based Remote Desktop Session Host (RD Session Host) server. Additionally, the following event is logged in the System log:

Cause

This issue occurs because an exception occurs when a remote user tries to log on and validate the session from the RD Session database.

Resolution

To resolve this issue, install update rollup 2855336, or install the hotfix that is described in this article.

Update information

To resolve this issue, install update rollup 2855336. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:

2855336 Windows RT, Windows 8, and Windows Server 2012 update rollup: July 2013

Hotfix information

This hotfix is also available at Microsoft Update Catalog. 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=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 hotfix, you must be running Windows Server 2012.

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.

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 file information notesImportant Windows 8 hotfixes and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" 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" 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

    6.2.920 0.20 xxx

    Windows Server 2012

    RTM

    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 Server 2012" 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 x64-based versions of Windows Server 2012

File name

File version

File size

Date

Time

Platform

Lserver.dll

6.2.9200.16606

732,672

09-May-2013

00:05

x64

Tlsrepplugin.dll

6.2.9200.16604

98,304

09-May-2013

00:05

x64

Tlsunattend.exe

6.2.9200.16384

10,752

26-Jul-2012

03:08

x64

Tslicensing.events.xml

Not applicable

549

02-Jun-2012

14:31

Not applicable

Lserver.dll

6.2.9200.20711

732,672

09-May-2013

00:29

x64

Tlsrepplugin.dll

6.2.9200.20710

98,304

09-May-2013

00:30

x64

Tlsunattend.exe

6.2.9200.16384

10,752

26-Jul-2012

03:08

x64

Tslicensing.events.xml

Not applicable

549

02-Jun-2012

14:31

Not applicable

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 for Windows Server 2012

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

File name

Amd64_c645b4ae4bd697b3a77c7b037cd9c383_31bf3856ad364e35_6.2.9200.20711_none_c1f7274b1a93be4c.manifest

File version

Not applicable

File size

722

Date (UTC)

09-May-2013

Time (UTC)

15:26

Platform

Not applicable

File name

Amd64_e91aa4c55162127b2ad9af21901b4a6a_31bf3856ad364e35_6.2.9200.16607_none_cbd4f0e6338d3189.manifest

File version

Not applicable

File size

722

Date (UTC)

09-May-2013

Time (UTC)

15:26

Platform

Not applicable

File name

Amd64_microsoft-windows-t..vices-licenseserver_31bf3856ad364e35_6.2.9200.16607_none_fa6b0e222808d6b0.manifest

File version

Not applicable

File size

96,231

Date (UTC)

09-May-2013

Time (UTC)

15:26

Platform

Not applicable

File name

Amd64_microsoft-windows-t..vices-licenseserver_31bf3856ad364e35_6.2.9200.20711_none_fae3d9454133fa61.manifest

File version

Not applicable

File size

96,231

Date (UTC)

09-May-2013

Time (UTC)

15:26

Platform

Not applicable

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