MED-V URL redirection is not working and no *.mdvurl file is being created

hotfixHere’s a new Microsoft Enterprise Desktop Virtualization (MED-V) Knowledge Base article we published today. This one talks about an issue where a restricted user can attempt certain actions that they don’t have permission to yet get a (false) message indicating it was successful.

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Symptoms

Microsoft Enterprise Desktop Virtualization (MED-V 2.0) URL redirection does not work and no temporary URL file *.mdvurl is created in %localappdata%\temp (e.g. C:\Users\username\AppData\Local\Temp\tmpE38B.tmp.mdvurl).

Cause

This can occur if the URLs in the MED-V URL list are not valid. An example would be a URL that has a trailing * such as:

http://www.msn.com*

Resolution

To resolve this , navigate to the following registry location and remove the trailing * from any URL addresses listed.
HKLM\software\microsoft\medv\v2\UserExperience\RedirectUrls

More Information

The only issue relevant to this problem is addressed in the first blog post listed below, in the first section, regarding the creation of the temporary URL file containing the URL to pass the guest via RDPcopy (*.mdvurl). All the other issues that cause URL redirect failures outlined in these two articles do not exist in this scenario.

Understanding and Troubleshooting MED-V v2 URL Redirection
http://blogs.technet.com/b/medv/archive/2011/08/10/understanding-and-troubleshooting-med-v-v2-url-redirection.aspx

GPO Settings That Could Potentially Cause Issues with MED-V Features
http://social.technet.microsoft.com/wiki/contents/articles/5127.aspx#Internet_Explorer_Policies

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For the most current version of this article please see the following:

2671040 : MED-V URL redirection is not working and no *.mdvurl file is being created

J.C. Hornbeck | System Center & Security Knowledge Engineer

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