App-V: Intermittent DC Refresh and/or Launch Failures may be tied to Intermittent SQL Connectivityhttp://blogs.technet.com/b/gladiatormsft/archive/2011/10/30/app-v-intermittent-dc-refresh-and-or-launch-failures-may-be-tied-to-intermittent-sql-connectivity.aspxDC Refreshes and Application Launches may fail intermittently in the case of an unstable SQL Server connection. This can happen when the threshold for connectivity to overall service connectivity to SQL has not been reached but the authentication anden-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)