Problems.txt file in Citrix Receiver 4.0/4.1 reports "Error 500"

Tuesday, April 22, 2014/1:13:53 AM Launch raw="-launch" "-s" "pnagent-8c72c230" "-CitrixID" "pnagent-8c72c230@@compFARM01:ORANGE Desktop" "-ica" "compFARM01:ORANGE Desktop" "-cmdline", state=Dazzle.AppMonitor.MainState silent=False res=pnagent-8c72c230@@compFARM01:ORANGE Desktop
Tuesday, April 22, 2014/1:13:53 AM Try launch type 0 of 1 = IcaLaunchInfo
Tuesday, April 22, 2014/1:13:53 AM Get ica file for 'pnagent-8c72c230@@compFARM01:ORANGE Desktop'
Tuesday, April 22, 2014/1:13:53 AM Creating AuthManager request context to "http://myappscomp.ca/Citrix/PNAgent/launch.aspx" under name "PNA" with flags "None"...
Tuesday, April 22, 2014/1:13:53 AM Prepared AuthManager request context with result: Continue
Tuesday, April 22, 2014/1:13:53 AM Got translated url from AuthManager: http://myappscomp.ca/Citrix/PNAgent/launch.aspx
Tuesday, April 22, 2014/1:13:54 AM GetICAFileRetryLoop: retrying due to possible bogus ResourceUnavailable error
Tuesday, April 22, 2014/1:13:54 AM GetICAFileRetryLoop: retrying in 00:00:02
Tuesday, April 22, 2014/1:13:56 AM Creating AuthManager request context to "http://myappscomp.ca/Citrix/PNAgent/launch.aspx" under name "PNA" with flags "None"...
Tuesday, April 22, 2014/1:13:56 AM Prepared AuthManager request context with result: Continue
Tuesday, April 22, 2014/1:13:56 AM Got translated url from AuthManager: http://myappscomp.ca/Citrix/PNAgent/launch.aspx
Tuesday, April 22, 2014/1:13:56 AM GetICAFileRetryLoop: retrying due to possible bogus ResourceUnavailable error
Tuesday, April 22, 2014/1:13:56 AM GetICAFileRetryLoop: retrying in 00:00:02
Tuesday, April 22, 2014/1:13:58 AM Creating AuthManager request context to "http://myappscomp.ca/Citrix/PNAgent/launch.aspx" under name "PNA" with flags "None"...
Tuesday, April 22, 2014/1:13:58 AM Prepared AuthManager request context with result: Continue
Tuesday, April 22, 2014/1:13:58 AM Got translated url from AuthManager: http://myappscomp.ca/Citrix/PNAgent/launch.aspx
Tuesday, April 22, 2014/1:13:59 AM GetICAFileRetryLoop: retrying due to possible bogus ResourceUnavailable error
Tuesday, April 22, 2014/1:13:59 AM GetICAFileRetryLoop: retrying in 00:00:02
Tuesday, April 22, 2014/1:14:01 AM Creating AuthManager request context to "http://myappscomp.ca/Citrix/PNAgent/launch.aspx" under name "PNA" with flags "None"...
Tuesday, April 22, 2014/1:14:01 AM Prepared AuthManager request context with result: Continue
Tuesday, April 22, 2014/1:14:01 AM Got translated url from AuthManager: http://myappscomp.ca/Citrix/PNAgent/launch.aspx
Tuesday, April 22, 2014/1:14:01 AM GetICAFileRetryLoop: retrying due to possible bogus ResourceUnavailable error
Tuesday, April 22, 2014/1:14:01 AM GetICAFileRetryLoop: retrying in 00:00:02
Tuesday, April 22, 2014/1:14:03 AM Creating AuthManager request context to "http://myappscomp.ca/Citrix/PNAgent/launch.aspx" under name "PNA" with flags "None"...
Tuesday, April 22, 2014/1:14:03 AM Prepared AuthManager request context with result: Continue
Tuesday, April 22, 2014/1:14:03 AM Got translated url from AuthManager: http://myappscomp.ca/Citrix/PNAgent/launch.aspx
Tuesday, April 22, 2014/1:14:04 AM Got Comms Error
Tuesday, April 22, 2014/1:14:04 AM The remote server returned an error: (500) Internal Server Error.
Tuesday, April 22, 2014/1:14:04 AM    at Dazzle.PNAgent.PNAgentClient.DoRequestOnce(Uri iurl, Uri nurl, String request, String requestB, Boolean isRequestForPreLaunch)
Tuesday, April 22, 2014/1:14:04 AM    at Dazzle.PNAgent.PNAgentClient.DoRequest(Uri iurl, Uri nurl, String request, String requestB, Boolean allowCredUI, Boolean isRequestForPreLaunch)
Tuesday, April 22, 2014/1:14:04 AM    at Dazzle.PNAgent.PNAgentClient.Dazzle.Model.IICAProvider.GetICAFile(String InName, String retryKey, Boolean allowCredUI, String& url, Boolean isRequestForPreLaunch)
Tuesday, April 22, 2014/1:14:04 AM    at Dazzle.Launcher.ICARunner.GetICAFileRetryLoop(IICAProvider icastore, String resourceId, LaunchProgressUI launchProgressUI, String& url, Boolean isRequestForPreLaunch)
Tuesday, April 22, 2014/1:14:04 AM    at Dazzle.Launcher.ICARunner.Launch(IProvider store, IGlobalState state, String resourceId, String citrixId, String cmdline, ReconnectAction icaReconnectAction, Boolean isRequestForPreLaunch)



Make sure you go to the PNA agent web folder on the designated server and set RequireLaunchReference=Off and remove the # in the WebInterface.conf file.

http://support.citrix.com/article/CTX123003