Dr. Joaquin Barroso's Blog

Scientific log of a computational chemist – "Make like a molecule and React!"

"rdp 0x3 0x11" typically appears in low-level hardware, firmware, or embedded-software contexts as a shorthand for a register or port write/read operation where:

To understand the fix, we first need to decode the hex values found in your logs (specifically Event ID 1149 or network packet captures).

Step-by-step troubleshooting (ordered)

Immediate checks (do these first)

Remote Desktop Service failed to load user profile disk for user DOMAIN\username. Error: 0x3 / 0x11

This is a proprietary protocol developed by Microsoft that allows users to connect to another computer over a network connection. The protocol provides remote access to a graphical user interface for the client.