Layton ServiceDesk - Troubleshooting - Large Attachments
From Layton Support
If you see the error message Maximum Request Length Exceeded, an adjustment to a setting in IIS is required. IIS controls the size limit to files and has a default of 204,800 bytes. Changing this limit requires a procedure external to Layton ServiceDesk and is undertaken at your own risk.
This Microsoft article contains all the details on the procedure.
