Symptoms

When you run a Session Integrator session in a Microsoft Host Integration Server 2013 or Microsoft Host Integration Server 2010 environment, the session closes intermittently.

Additionally, a Session Integrator server internal trace that is captured by the Host Integration Server SNA Trace Utility may show a trace output that resembles the following:

DecryptMessage produced too much data, room = 761.

Decryption Failed.

Cause

This issue occurs because of a mismatch between the decrypted data size and the receive buffer.

Resolution

Host Integration Server 2013

The fix that resolves this problem is included in Cumulative Update 2 for Host Integration Server 2013 (KB 2929767).

Host Integration Server 2010

The fix that resolves this problem is included in Cumulative Update 10 for Host Integration Server 2010 (KB 2917398).

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, go to 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

Depending on your version of the program, you must have Cumulative Update 1 for Host Integration Server 2013 or Cumulative Update 9 for Host Integration Server 2010 installed to apply this hotfix.

Restart information

You may have to restart the computer after you apply this hotfix.

Replacement information

This hotfix does not replace any previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For Microsoft Host Integration Server 2010, 32-bit Edition

File name

File version

File size

Date

Time

Platform

Microsoft.hostintegration.sna.session.dll

8.5.4841.2

125,656

16-Apr-2014

19:13

x86

Siserver.exe

8.5.4841.2

244,376

16-Apr-2014

19:13

x86

For Microsoft Host Integration Server 2010, 64-bit Edition

File name

File version

File size

Date

Time

Platform

Microsoft.hostintegration.sna.session.dll

8.5.4841.2

125,656

16-Apr-2014

19:16

x86

Siserver.exe

8.5.4841.2

244,376

16-Apr-2014

19:16

x86

Microsoft.hostintegration.sna.session.dll

8.5.4841.2

125,656

16-Apr-2014

19:16

x86

Siserver.exe

8.5.4841.2

309,912

16-Apr-2014

19:16

x64

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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