[Authentication Success] ➔ [Session Handshake] ➔ ╳ [Graphics/Transport Failure] ➔ Error 0x3 (0x11)
Windows Firewall blocks RDP incoming connections if your network profile changes to "Public" unexpectedly.
For a significant number of users, the sudden appearance of the 0x3 0x11 error has a very specific and identifiable trigger: the Windows April 2025 cumulative update, . This update introduced a rewrite of the "Remote Display Indirect Driver" ( RdpIdd.sys ), a kernel-mode driver responsible for handling graphics for remote desktop connections.
If you are running a dedicated server or workstation with no monitor attached, the machine may not be initializing its graphics subsystem. Users have reported success by using a . This tricks the computer into thinking a monitor is connected, keeping the display driver active. Summary Table of Solutions Potential Success Rate Uninstall/Reinstall Display Adapter General 0x3 0x11 errors Disable Hardware Acceleration (GP) Virtual Machines, Azure Hosts Uninstall KB5055528 Errors post-Windows update Dummy Display Plug Physical servers with no monitor rdp 0x3 0x11
Microsoft patches often tighten CredSSP. An older client trying to connect to a fully patched server (or vice versa) can result in 0x3 0x11 due to protocol version mismatches.
After uninstalling the update, the system will typically try to reinstall it automatically. To prevent this recurrence, you can pause updates for a few weeks or use the official wushowhide.diagcab (Show or hide updates) troubleshooter package from Microsoft to hide the problematic update.
The Microsoft RDP client ( mstsc.exe ) stores cache files. Corruption in bitmap cache or certificate cache on the client side can also trigger this error. If you are running a dedicated server or
This error rarely stems from a single broken setting. It is usually caused by a combination of network instability and strict operating system security thresholds:
In Microsoft’s RDP framework, error 0x3 indicates a connection disconnection, while the extended reason 0x11 explicitly signals a . When this happens, the RDP client initiated a handshake with the remote host, but the connection dropped before completion because data packets were lost, blocked, or took too long to respond.
Press Windows Key + R , type sysdm.cpl , and hit to open System Properties. Navigate to the Remote tab. Press Windows Key + R
This error typically appears in two environments:
over aggressive firewalls or Network Address Translation (NAT) gateways.
Open a Command Prompt as administrator and run gpupdate /force to apply the changes. 5. Reset Your Network Stack
Did this error start occurring after a recent ?
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