How to deploy the App-V 4.6 and the App-V 5.1 client on the same computer
Use the following information to install the Microsoft Application Virtualization (App-V) 5.1 client (preferably, with the latest Service Packs and hotfixes) and the App-V 4.6 SP2 client or the App-V 4.6 S3 client on the same computer. For supported versions, requirements, and other planning information, see Planning for Migrating from a Previous Version of App-V.
Warning
App-V 4.6 is no longer supported For more information, see Microsoft Desktop Optimization Pack (MDOP) support extended.
To deploy the App-V 5.1 client and App-V 4.6 client on the same computer
Install the latest service pack version of the App-V client on the computer that is running App-V 4.6.
Install the App-V 5.1 client on the computer that is running the App-V 4.6 SP3 version of the client. For best results, we recommend that you install all available updates to the App-V 5.1 client.
Convert or re-sequence the packages gradually.
To convert the packages, use the App-V 5.1 package converter and convert the required packages to the App-V 5.1 (.appv) file format.
To re-sequence the packages, consider using the latest version of the Sequencer for best results.
For more information about publishing packages, see How to Publish a Package by Using the Management Console.
Deploy packages to the client computers.
Convert extension points, as needed. For more information, see the following resources:
Test that your App-V 5.1 packages are successful, and then remove the 4.6 packages. To check the user state of your client computers, we recommend that you use User Experience Virtualization (UE-V) or another user environment management tool.