By default the App-V Management Server service is configured to run as the Network Service, but what if your company has a policy that requires the use of Service Accounts rather than running services as "Network Service" or "Local System?" If you change the service to run as a service account, users may get the following error when attempting to perform a DC Refresh:

Failure on Desktop Configuration Server request to URL {rtsp://AppVserv:554/} with header {Host: Appvserv
Content-Type: text/xml} (rc 1690722A-80090322).

Additionally, clients may get the following error attempting to launch applications:

The Application Virtualization Client could not launch <Application Name> 1.0.
The target principal name is incorrect.
Error code: 450482-1690802A-80090322

The reason for this is because when the service installs, SPN's are configured for the App-V service using the hostname. In order to successfully configure the service to run as a service account, we have to manually configure SPNs.

To configure the SPNs, you'll need to install the Support tools for the server's operating system. For Windows 2003, run the suptools.msi from Support\tools directory on the Windows 2003 Server CD. Once the support tools are installed simply follow these steps:

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