I have a query reg FTA in appv. I was reading some of the blogs of app v and found that if a locally installed application say Adobe Reader 9.0 is existing. Suppose if we deploy virtualized Adobe 10.0, it says it will overwrite the FTA and will open virtualized pdf.
How is this mechanisim happening?
Is it overwriting in local registry ?? since FTA are opening with virtualized reader. In Microsoft documentation of APPV 46 sequencing guide i found "<MGT_FILEASSOCIATIONS>: This section lists all of File Type Associations thatwill be registered on the client, so an application can be launched by double-clicking a file"
What is registering mean? Is it writing into local regitry??
what happens if i unpublish virtualized Adobe Reader 10.0?? will the pdf open

I am really curious to know these. I dont have app v installed to test in my pc
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My high level understanding is that the App-V service interupts the FTA call. When a user double clicks an FTA, the App-V service checks to see if it has any matching FTA's it is responsible for. If so, it launches the associated virtual app. If not, it releases the request to Windows to handle normally.

In the situation you described, Windows has a FTA for reader 9, and the App-V service handles the FTA for Reader 10. The virtual Reader 10 will take preference because the App-V service recognizes PDF prior to letting Windows analyse the FTA request. When you unpublish Reader 10, Windows will continue handling PDF files with Reader 9.
Answered 05/05/2011 by: KenH
Yellow Belt

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