We have two X9DRH-iF-NV one of the motherboard when attempting to use WEB-GUI to upgrade BMC firmware from 3.36 to 3.39
wll getting an HTTP 413 error. 413 - Request Entity Too Large error.
But there are not issue from 3.15 to 3.39 via the second motherboard.
Please clear your browser cache and reset IPMI to factory default
Steps for reset IPMI to factory default:
1. Login IPMI
2. Select Maintenance >> Factory Default >> Restore