Problem: The ULS log generated by SharePoint 2010 are difficult to read and review as the logging is store in flat text files.
Initial Hypothesis: ULS Viewer allows the administrator/developer to track, understand and solve issues on your SharePoint environment. The ULS viewer is not a supported product my Microsoft however, it is alot easier to discover errors than using notepad and opening each ULS log. Logs are located at C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\LOGS by default.
1.> Download the ULS Viewer
2.> Map a folder to the c drive on my UAT environment.
5.> Add multiple WFE's log by using the File > Append From option.
6.> To view historic files, copy the log files from the server to your local machine and click File > Open From > File, select multiple ULS log files to see the server history.
How to use the ULS Viewer blogs: