Upgrade to ConfigMgr 2007 SP2 may break App-V File Type Associations

When you upgrade a computer that is running the App-V 4.5 client to System Center Configuration Manager 2007 SP2, it may break all the File Type Associations (FTA’s) for the virtualized applications.  This can occur because the SP2 installer updates the following key in the registry as part of the Configuration Manager 2007 Service Pack…

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New KB – Error message when you upgrade the SQL Server database role from App-V Management Server 4.1 to App-V Management Server 4.5: "Error 25119"

When you try to upgrade the SQL Server database role from Microsoft Application Virtualization (App-V) Management Server 4.1 to Application Virtualization Management Server 4.5, the upgrade may fail with the following error message: Error 25119. The installation program could not upgrade the configuration data store. Please see the installation log file for more information. The…

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New KB – Hotfix Package 6 for Microsoft Application Virtualization 4.5 Cumulative Update 1: September 2009

This article describes a hotfix package for September 2009 that contains the latest hotfixes for Microsoft Application Virtualization 4.5 Cumulative Update 1. 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…

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Do I need to re-sequence my applications when I move to a new OS?

This question has come up numerous times: Do I need to re-sequence my applications when I move to a new OS? There have been multiple statements published and circulated about this topic and the real answer is “it depends!”  What’s really important is that you test your existing virtual applications on the new operating system…

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App-V and support for applications with custom shell extensions

Microsoft Application Virtualization does not support applications that use shell extension handlers implemented with a custom dynamic-link library (DLL). The reason that APP-V cannot support applications with custom shell extensions is that this would require providing Windows Explorer access to the virtual environment.  Shell extensions are sometimes referred to as Shell integration. Some applications allow…

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New App-V KB Article: KB976248 – Error message when you upgrade an Application Virtualization client from Windows Vista to Windows 7: "Program Compatibility Report"

When you upgrade a Microsoft Application Virtualization (also known as App-V) client from Windows Vista to Windows 7, you receive the following error message: Program Compatibility Report The program is blocked due to compatibility issues. Report the problem to see if a solution is available. Windows will automatically display a website with more information about…

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