If you are having problems with Chat Service, check Event Viewer for error messages. Chat Service writes a message to the System Log in Event Viewer each time the service starts and stops, an operator command is processed, or an error is detected.
Even if you are not currently having problems with the service, check Event Viewer periodically for error messages about potentially troublesome conditions you may not have noticed yet.
To view messages with Event Viewer:
You can make it easier to find Chat Service messages by filtering the messages in Event Viewer.
To view only Chat Service event messages: