# Appendix: Using Log Files

Log files provide important information if troubleshooting is required. These files are located under the application installation folder in C:\Program Data\...

To access all log files stored at C:\Program Data\..., add all machine identities to this directory with full permissions.

- DocGenServices.log: displays which user has accessed Document Generation Services.
- DocGenSvcHost.log: contains error information, completion time for API's, and references RabbitMQ for load balancing information.
- ExpereServices.log: contains completion time for each document and document assembly error information.
- ExpereIEServicesRequests.log: displays which API’s were used at a specific time.