Hotfix Package 4 for Microsoft Application Virtualization 4.6 Service Pack 2

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Summary

This article describes a hotfix package that contains the latest hotfixes for Microsoft Application Virtualization 4.6 Service Pack 2 (App-V 4.6 SP2).

Note We recommend that you test hotfixes before you deploy them in a production environment. Because the builds are cumulative, each new hotfix release contains all the hotfixes and all the security fixes that were included with the previous update package. We recommend that you consider applying the most recent fix release that contains the most necessary hotfixes.

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This hotfix package fixes the following issue.

Issue

You have environment variables in an .osd file for an application package in Microsoft Application Virtualization 4.6 Service Pack 2. When a variable name begins with a character that is between the lowercase and uppercase characters in the ASCII character set (such as _, [, \, ], ^, or ‘ as the first character), the sorting logic in Application Virtualization 4.6 may create a duplicate path variable. This problem may prevent the package from starting.

If multiple applications in the same package are started in quick succession, the Application Virtualization Service may crash.

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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 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

To apply this hotfix, you must have Microsoft Application Virtualization 4.6 Service Pack 2 installed.

Restart information

You must restart the computer after you apply this hotfix.

Build number

The build number for this update is 4.6.2.30141.

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.

File name	File version	File size	Date	Time	Platform
Appv4.6sp2-rds-kb2892925-x64.msp	Not Applicable	6,725,632	27-Nov-2013	22:50	Not Applicable
Appv4.6sp2-rds-kb2892925-x86.msp	Not Applicable	5,988,352	27-Nov-2013	22:50	Not Applicable
Appv4.6sp2-wd-kb2892925-x64.msp	Not Applicable	6,688,768	27-Nov-2013	22:50	Not Applicable
Appv4.6sp2-wd-kb2892925-x86.msp	Not Applicable	5,951,488	27-Nov-2013	22:50	Not Applicable

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Workaround

To work around this problem, make sure that no path variable names start with an underscore character.

To work around this problem, make sure that no path variable names start with any character that is between the lowercase and uppercase characters in the ASCII character set, such as the following:

_
[
\
]
^
‘

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