What error AS-3 means
Error AS-3 in Fortnite belongs to the Authentication/Service Error group. It occurs when the game client cannot establish or maintain a connection to Epic Games' servers to verify your account.
You will see a message along the lines of "Error connecting to Epic Games servers (AS-3)" or "Authentication failed: AS-3." Purchases, login, and matchmaking are all blocked until the underlying cause is resolved.
Root causes
Epic Games server outage. The most common cause — scheduled maintenance or an unexpected failure on Epic's end. A server-side error is completely outside your control.
VPN or proxy server. Using a VPN changes your IP address, and Epic's servers may flag this as suspicious activity, blocking the authentication request.
Firewall or antivirus interference. Some security software blocks the Epic Launcher's requests to authentication servers, treating them as potentially malicious.
Corrupted Epic Launcher files. An incomplete installation or failed update can break the authentication module.
DNS blocking. Your ISP or router may be blocking Epic Games domains.
Step-by-step fix
Check Epic server status. Go to status.epicgames.com. If an incident or maintenance is listed, wait for it to resolve. No action on your end will help in this case.
Disable VPN and proxy. If you are using a VPN, disconnect it completely and restart the launcher. Also verify that no system-level proxy settings are active.
Add antivirus/firewall exceptions. Add the Epic Games Launcher folder and
EpicGamesLauncher.exeto your antivirus exclusions list and to Windows Firewall's allowed applications.Flush your DNS cache. Open Command Prompt as Administrator and run:
ipconfig /flushdns. Then restart your router.Reinstall the Epic Launcher. If the steps above did not help, uninstall Epic Games Launcher completely and reinstall it from the official Epic website.
Contact Epic support. If the problem persists, open a ticket at epicgames.com/help with the error code AS-3 and details about your internet connection.
Frequently asked questions
Does error AS-3 affect my account or purchases? No — this is a connection error, not an account issue. Your account, purchases, and progress remain intact.
How long do Epic server outages typically last? Usually 30 minutes to a few hours. Major incidents rarely last more than 24 hours.
Can my ISP block Epic Games? In some countries, yes. If all other steps failed, try connecting through mobile data to see if the error reproduces — this will confirm whether your ISP is the cause.
While Epic sorts out its servers, buy V-Bucks in advance through gift cards — they don't depend on server status and can be activated whenever you're ready. Buy V-Bucks on Marix.