Unable to write to trace log - Event 5401 (SharePoint 2010 Products)
Published: May 12, 2010
Alert Name: Unable to write to trace log
Event ID: 5401
Summary: Unified Logging Service (ULS) trace logs contain diagnostic information about what is happening on a Microsoft SharePoint Foundation 2010 server. This information can be used to diagnose problems on your server if they occur.
Symptoms: The following symptoms might appear:
ULS trace log files are not created.
This event appears in the event log: Event ID: 5401 Tracing Service failed to create the trace log file at <Log Location>. Error <Error Number>: <Error Description>.
Cause: This error occurs when the tracing service cannot create a new log file.
Resolution: Check the event log
This error can occur for multiple reasons. The error number and error description describe the cause of the error in more detail; use the information in the error description to determine the most appropriate troubleshooting steps.