App-V Sequencer 5.x cannot sequence apps with filenames "CO_x" (Error 0x8007139F). But it is possible !!
Recently I came across the App-V technical document stating that "The App-V 5.x Sequencer cannot sequence applications with filenames matching "CO_<x>" where x is any numeral. Error 0x8007139F will be generated." https://docs.microsoft.com/en-us/microsoft-desktop-optimization-pack/appv-v5/creating-and-managing-app-v-51-virtualized-applications https://github.com/Microsoft/windows-itpro-docs/blob/master/windows/application-management/app-v/appv-release-notes-for-appv-for-windows.md So I ran a quick test to confirm on the same.I used App-V 5.1 sequencer and App-V 5.1.86 client for testing. During monitoring phase, I created a New folder in desktop for convenience.I then created 3 new files with different extensions (CO_123, CO_456.txt, CO_897.dll) and then proceeded stopping the monitoring phase. I was expecting that sequencer will throw an error or fail as mentioned in the Microsoft technical document. To my surprise sequencer completed without any issues. I ...