Symptoms

Microsoft Forefront Unified Access Gateway (UAG) allows a client endpoint to access the RemoteApp applications and remote desktops that are published by using a Forefront UAG Web portal.

Consider the following scenario:

  • You have a computer that is running Windows 7 that includes the Remote Desktop Connection (RDC) 7.0 client.

  • You try to open a remote application or a remote desktop by using Forefront UAG.

In this scenario, you receive the following error message:

To use this program or computer, first log on to the following Web site: <URL link>

Cause

This issue occurs because the computer that is running the Remote Desktop Connection (RDC) client issues a session cookie that exceeds 840 Unicode characters.


The Remote Desktop Connection (RDC) 7.0 client supports authentication against a Forefront UAG server that uses cookies. In the authentication process, the cookies are stored in the HTTP header. However, the size of the HTTP header exceeds its maximum size limit of 4,096 bytes when the session cookie is larger than 840 Unicode characters. This behavior causes authentication to fail.

Resolution

To resolve this issue, Forefront UAG administrators should install this hotfix on the following computers:

  • All Forefront UAG servers that publish Remote Desktop Services (RDS)

  • All managed client computers that are running Windows 7, that have the RDC 7.0 client installed, and that require access to published RDS resources

    Note Users who want to access RDS resources and who have a computer that meets these requirements should install this hotfix.

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 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 Web site:

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, your computer must have the Remote Desktop Connection (RDC) 7.0 client installed.

Restart requirement

You do not 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 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.

Remote Desktop Connection (RDC) 7.0 file information notes



For the RDC 7.0 client on all supported x86-based versions of a Windows operating system

File name

File version

File size

Date

Time

Platform

Mstsc.exe

6.1.7600.20605

1,034,240

29-Dec-2009

07:09

x86

Mstsc.mof

Not Applicable

1,199

10-Jun-2009

21:19

Not Applicable

Aaclient.dll

6.1.7600.20605

131,584

29-Dec-2009

07:10

x86

Aaclient.mof

Not Applicable

1,261

10-Jun-2009

21:14

Not Applicable

Mstscax.dll

6.1.7600.20605

2,702,848

29-Dec-2009

07:11

x86

Mstscax.mof

Not Applicable

2,054

10-Jun-2009

21:17

Not Applicable

Tsgqec.dll

6.1.7600.16385

36,864

14-Jul-2009

01:16

x86



For the RDC 7.0 client on all supported x64-based versions of a Windows operating system

File name

File version

File size

Date

Time

Platform

Service branch

Mstsc.exe

6.1.7600.20605

1,098,240

29-Dec-2009

07:51

x64

Not Applicable

Mstsc.mof

Not Applicable

1,199

10-Jun-2009

20:36

Not Applicable

Not Applicable

Aaclient.dll

6.1.7600.20605

158,720

29-Dec-2009

07:52

x64

Not Applicable

Aaclient.mof

Not Applicable

1,261

10-Jun-2009

20:31

Not Applicable

Not Applicable

Mstscax.dll

6.1.7600.20605

3,151,872

29-Dec-2009

07:55

x64

Not Applicable

Mstscax.mof

Not Applicable

2,054

10-Jun-2009

20:34

Not Applicable

Not Applicable

Tsgqec.dll

6.1.7600.16385

44,032

14-Jul-2009

01:41

x64

Not Applicable

Aaedge.dll

6.1.7600.20605

304,128

29-Dec-2009

07:52

x64

AMD64_MICROSOFT-WINDOWS-TSP

Aaedge.mof

Not Applicable

1,268

10-Jun-2009

20:31

Not Applicable

AMD64_MICROSOFT-WINDOWS-TSP

Aatspp.dll

6.1.7600.16385

65,024

14-Jul-2009

01:39

x64

AMD64_MICROSOFT-WINDOWS-TSP

Aatspp.mof

Not Applicable

1,271

10-Jun-2009

20:31

Not Applicable

AMD64_MICROSOFT-WINDOWS-TSP

Rap.xml

Not Applicable

895

10-Jun-2009

20:31

Not Applicable

AMD64_MICROSOFT-WINDOWS-TSP

Tsgateway.xml

Not Applicable

429

10-Jun-2009

20:31

Not Applicable

AMD64_MICROSOFT-WINDOWS-TSP

Tsgclean.exe

6.1.7600.16385

428,032

14-Jul-2009

01:39

x64

AMD64_MICROSOFT-WINDOWS-TSP

Tsproxy-edgeadapter-ppdlic.xrm-ms

Not Applicable

3,018

29-Dec-2009

08:06

Not Applicable

AMD64_MICROSOFT-WINDOWS-TSP

Mstsc.exe

6.1.7600.20605

1,034,240

29-Dec-2009

07:09

x86

WOW

Mstsc.mof

Not Applicable

1,199

10-Jun-2009

21:19

Not Applicable

WOW



For the RDC 7.0 client on all supported IA-64-based versions of a Windows operating system

File name

File version

File size

Date

Time

Platform

Service branch

Mstsc.exe

6.1.7600.20605

1,660,416

29-Dec-2009

06:23

IA-64

Not Applicable

Mstsc.mof

Not Applicable

1,199

10-Jun-2009

20:39

Not Applicable

Not Applicable

Aaclient.dll

6.1.7600.20605

339,968

29-Dec-2009

06:24

IA-64

Not Applicable

Aaclient.mof

Not Applicable

1,261

10-Jun-2009

20:36

Not Applicable

Not Applicable

Mstscax.dll

6.1.7600.20605

6,084,096

29-Dec-2009

06:28

IA-64

Not Applicable

Mstscax.mof

Not Applicable

2,054

10-Jun-2009

20:38

Not Applicable

Not Applicable

Tsgqec.dll

6.1.7600.16385

97,792

14-Jul-2009

01:49

IA-64

Not Applicable

Mstsc.exe

6.1.7600.20605

1,034,240

29-Dec-2009

07:09

x86

WOW

Mstsc.mof

Not Applicable

1,199

10-Jun-2009

21:19

Not Applicable

WOW

Status

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

More Information

General information about Microsoft Forefront Unified Access Gateway (UAG)

Overview of Forefront UAG features

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 files for the RDC 7.0 client on all supported x86-based versions of a Windows operating system

File name

File version

File size

Date

Time

Platform

Update.mum

Not Applicable

1,459

30-Dec-2009

23:29

Not Applicable

X86_508fb659307f23a4efcf5790503ceeb0_31bf3856ad364e35_6.1.7600.20605_none_f5de60e4e7acbbbb.manifest

Not Applicable

727

30-Dec-2009

23:29

Not Applicable

X86_d053a9497ff141939eeea361ed7a9741_31bf3856ad364e35_6.1.7600.20605_none_cd0748b72cb37adf.manifest

Not Applicable

722

30-Dec-2009

23:29

Not Applicable

X86_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7600.20605_none_4e92c3af9b47dfff.manifest

Not Applicable

20,880

29-Dec-2009

09:32

Not Applicable

X86_microsoft-windows-t..s-clientactivexcore_31bf3856ad364e35_6.1.7600.20605_none_30a47dd73fd8867e.manifest

Not Applicable

140,563

30-Dec-2009

23:32

Not Applicable

Additional files for the RDC 7.0 client on all supported x64-based versions of a Windows operating system

File name

File version

File size

Date

Time

Platform

Amd64_0f52f5f39769c989c0082bbb8a783814_31bf3856ad364e35_6.1.7600.20605_none_8ce125eb6735aa62.manifest

Not Applicable

1,104

30-Dec-2009

23:29

Not Applicable

Amd64_3fa6d34ccad798c818a82530884acc9c_31bf3856ad364e35_6.1.7600.20605_none_b688719b1bb34ffa.manifest

Not Applicable

1,092

30-Dec-2009

23:29

Not Applicable

Amd64_63158c93dce61e0783a1e79cc47e25f9_31bf3856ad364e35_6.1.7600.20605_none_a9c23c3c9cee7cc1.manifest

Not Applicable

711

30-Dec-2009

23:29

Not Applicable

Amd64_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7600.20605_none_aab15f3353a55135.manifest

Not Applicable

20,886

29-Dec-2009

19:06

Not Applicable

Amd64_microsoft-windows-t..s-clientactivexcore_31bf3856ad364e35_6.1.7600.20605_none_8cc3195af835f7b4.manifest

Not Applicable

140,569

30-Dec-2009

23:36

Not Applicable

Amd64_microsoft-windows-tsproxy-edgeadapter_31bf3856ad364e35_6.1.7600.20605_none_9adf8507ff4310c9.manifest

Not Applicable

99,560

30-Dec-2009

23:36

Not Applicable

Update.mum

Not Applicable

1,681

30-Dec-2009

23:29

Not Applicable

Wow64_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7600.20605_none_b506098588061330.manifest

Not Applicable

13,023

29-Dec-2009

09:24

Not Applicable

Additional files for the RDC 7.0 client on all supported IA-64-based versions of a Windows operating system

File name

File version

File size

Date

Time

Platform

Ia64_0fe3bdb51200590751dd052c49da8c59_31bf3856ad364e35_6.1.7600.20605_none_18222f9873836452.manifest

Not Applicable

1,102

30-Dec-2009

23:29

Not Applicable

Ia64_e6efa7fc58301b695aad8c7b67e6b6c0_31bf3856ad364e35_6.1.7600.20605_none_018a3761305c421b.manifest

Not Applicable

1,090

30-Dec-2009

23:29

Not Applicable

Ia64_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7600.20605_none_4e9467a59b45e8fb.manifest

Not Applicable

20,883

29-Dec-2009

18:55

Not Applicable

Ia64_microsoft-windows-t..s-clientactivexcore_31bf3856ad364e35_6.1.7600.20605_none_30a621cd3fd68f7a.manifest

Not Applicable

140,566

30-Dec-2009

23:30

Not Applicable

Update.mum

Not Applicable

1,463

30-Dec-2009

23:29

Not Applicable

Wow64_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7600.20605_none_b506098588061330.manifest

Not Applicable

13,023

29-Dec-2009

09:24

Not Applicable

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