Microsoft® Office Communications Server 2007 R2 Resource Kit

Performance Monitoring

Event logs are good at informing you that a problem has occurred; however, the information recorded in the event logs isn’t always sufficient to tell you why the problem occurred. In addition, event log notifications tend to happen after the fact, that is, problems are usually recorded in the event log only after they occur. Although there are exceptions, event log events generally don’t give you advance notice that a problem is likely to occur; instead, the event log simply reports the incident after the problem has occurred.

As a system administrator, this means that, in addition to reviewing the event logs, you will often find it necessary to conduct a more finite analysis of your Office Communications Server infrastructure. ...