MOD300 System Status aspect won't connect to primary Connectivity Server CS-01, intermittent to CS-02
I have 800xA v5.1 Rev A system with redundant CS and AS servers. Yesterday in operator workstation, pulling up aspect for MOD300 System Status failed to display - blank screen, connection to both CS servers was blue. I can make a connection to the CS-02 server at times by repeatedly clicking on aspect. When I look at processes on CS servers I see two instances of AdvDiagServer.exe on CS-01 and only 1 instance on CS-02. Does anyone know if AdvDiagServer.exe is the process for display of MOD300 System Status? Is it possible one of the two processes is "hung" and preventing a connection?
Yes, killing the AdvDiagServer processes on the CS servers solved the connection problem with the MOD300 System Status pages. Apparently MOD300 Engineering display work via an In-Process COM server process running on the CS server that is started and stopped on demand from the operator stations. If the process hangs and no connection can be made, kill the process on the CS server and it will be recreated by the client process on the operator station.