tab and uncheck "Persistent bitmap caching." This prevents the client from loading potentially corrupt cached UI elements. Update Display Drivers:
Navigate to Computer Configuration > Administrative Templates > System > Device Installation > Device Installation Restrictions .
Given the varied causes, a systematic approach is required. Follow these steps in order, testing the RDP connection after each one to isolate the specific fix.
When you see error code 0x3 with the extended error code 0x11, it's easy to assume a simple network problem. However, this error typically points to a more specific issue: . The 0x11 code translates to the message: "The graphics display components in the remote session failed to start up".
NLA secures remote connections by requiring users to authenticate before a session is established. However, if the client computer lacks the required security certificates or protocol updates, the server will drop the connection with error 0x11. Press Win + R , type sysdm.cpl , and hit Enter . Navigate to the Remote tab. rdp 0x3 0x11
Common causes mapped to 0x3 / 0x11 (practical interpretation)
Local or domain Group Policy Objects (GPOs) can enforce settings that interfere with RDP. For example, a policy that forces the use of hardware graphics adapters when none are available, or one that enables specific RemoteFX optimizations that are no longer supported, can cause the session to fail with a graphics-related error.
NLA is a security feature that requires users to authenticate before a session is created. While highly recommended for security, configuration drift between the client and host often triggers the 0x3 0x11 timeout.
Seeing both codes in a single trace (e.g., rdp 0x3 0x11 ) suggests a —a connection that initially succeeded (bypassing 0x3) but later encountered a fatal violation (0x11). This pair tells a story: Authentication passed, but the session could not sustain itself. tab and uncheck "Persistent bitmap caching
"Your Remote Desktop Services session has ended... Error code: 0x3. Extended error code: 0x11." The Technical Root Causes
Scroll down to find any entries labeled TERMSRV/your.server.ip or entries related to Remote Desktop. Click the entry and select .
The RDP protocol can use both TCP (port 3389) and UDP (port 3389) for transport. UDP is used for real-time, loss-tolerant data, offering performance benefits. However, network devices like firewalls or NAT gateways may aggressively close idle UDP sessions. If an RDP session relies on UDP for its heartbeat and the firewall or NAT device drops the connection, the RDP client will interpret this as a failure, leading to the 0x3 / 0x11 error.
Type the following command to lower the MTU to a safer threshold (1300 or 1400 bytes): netsh interface ipv4 set subinterface "Wi-Fi" mtu=1400 store=persistent (Replace "Wi-Fi" with your actual interface name). 5. Check Firewall and Port 3389 Configuration Follow these steps in order, testing the RDP
: Ensure the user account is part of the Remote Desktop Users group on the target machine.
Work through these solutions starting from the most common fix to advanced configurations. 1. Disable Network Level Authentication (NLA)
These two errors together frequently appear when: