6023 Parsec Error Exclusive !!hot!! Jun 2026

| Secondary Code | Primary Cause | | :--- | :--- | | | UPnP is disabled or not supported by the router. | | -11002, -11012 | ISP uses Carrier-Grade NAT (CGNAT), making direct connections difficult. | | -11011 | UPnP is disabled within the Parsec app's settings. | | -11013 | Network is a "Double NAT" environment (multiple routers in series). |

Windows Defender or third-party antivirus software is stopping the connection.

We’ve arranged the solutions from the simplest (and least invasive) to more advanced techniques. Try them in order—most users will see success by step 3. 6023 parsec error exclusive

Fixing the 6023 error often requires a systematic approach, starting with the easiest solutions. Remember, a solution only needs to work on of the connection (host or client) to establish a successful peer-to-peer link.

[Client App] ---> [Router (Port 8000-8002 UDP Forwarded)] ---> [Host PC (Static IP)] 1. Bind a Static IP to the Host | Secondary Code | Primary Cause | |

The required ports are not properly opened on your router. Exclusive Solutions: Fixing 6023 and 6024 Errors

If hosting or connecting from a Mac running recent versions like macOS Sequoia, navigate to System Settings > Privacy & Security > Local Network and explicitly toggle the switch to allow Parsec. 2. Enable UPnP or Configure Manual Port Forwarding | | -11013 | Network is a "Double

If basic steps fail, you may need to adjust your router settings to allow the connection: Enable UPnP : Check your router settings to ensure Universal Plug and Play (UPnP)

Ensure your host computer maintains the exact same local IP address. Open your router's admin interface, locate the or Static DHCP Leases panel, find your host device, and click save to bind its current IP address. 2. Configure Ports in the Parsec App Open the Parsec app on your host computer. Go to Settings -> Network . Set the Host Start Port manually to 8000 .

: Enable IPv6 support on both the host and client computers. Parsec can use IPv6 to bypass IPv4 CGNAT limitations entirely. 4. Alternative Workarounds

Also known as the (a term users have coined because this error can feel uniquely persistent and isolated), this code stops Parsec from establishing a peer‑to‑peer connection between your client and host machines, abruptly ending your remote session before it even starts.