Thus, 0x3 speaks of absence. The server acknowledges existence but denies entry—a digital "no vacancy" sign.

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 requires the client to authenticate before a session is created. A certificate or credential mismatch causes the server to reject the client instantly.

: Security software blocks the specific RDP port (3389) or UDP traffic.

If using a third-party antivirus/firewall (like Kaspersky, Bitdefender, or Norton), temporarily disable its firewall module to test if the connection succeeds. Conclusion