Fix Battlefield 6 Error Code 1:86001S UNKNOWN ERROR/CONNECTION FAILED Error On PC
5How To Fix Battlefield 6 Error Code 1:86001S CONNECTION FAILED/An Unknown Error Occurred On PC
Step 1) Logout & Login to EA App
Step 2) Disconnect USB devices from PC (USB Flash Drive/Thumb Drive), Disconnect Razer Huntsman v3 pro/Keychron Keyboard or mouse, unplug the dongle,Unplug external devices such as hotas, pedals, racing wheel, Razer Tartarus, disconnect all the additional USB adapter connected to PC, disconnect headphones
Step 3) restart game multiple times, it may take multiple attempts
Step 4) Restart PC
Step 5) Set DNS to Auto
Step 6) Try Google DNS server
8.8.8.8
8.8.4.4
Try Cloudflare DNS Server
1.1.1.1
1.0.0.1
Step 7) Uncheck IPv6
Step 8) Uninstall anything related to riot games and vanguard
Step 9) Switch to different network/Use Mobile Hotspot
Step 10) Allow the game exe file to your antivirus program (Avast/Norton/Bit Defender/ McAfee/Comodo etc.), put a check on both public & private in Windows firewall for game exe
Step 11) Turn Off/On VPN, close VPN
Step 12) Steam Users: Open EA App before launching the game, keep it running in the background/Close EA App
Step 13) Perform Power cycle- Shut down your computer, unplug the power cable, turn off WIFI router, wait for few seconds and restart your WIFI router, connect the power cable back to computer and then restart your computer
Step 14) Run the game as an administrator
Step 15) Run these commands
ipconfig /flushdns
ipconfig /release
ipconfig /renew
netsh winsock reset
netsh int ip reset
netsh interface ipv4 reset
netsh interface ipv6 reset
netsh interface tcp reset
Step 16) Use Ethernet connection
Step 17) Make sure date, time, time zone and region are correct on your computer
Step 18) Create new Windows admin account
Step 19) Install the game to external drive, if already installed to external drive, install it to internal drive
Step 20) Verify/repair the game files
Step 21) Get in touch with EA Advisor- for many Steam users EA Advisor helped players by unlinking steam account with EA Account (change of Steam profile name and EA account name and then relinking steam to EA Account worked) (Do not do it yourself because once you unlink a platform account from your EA Account and link it to a new one, you can't link it again for six months also you’ll permanently lose access to: game progress, DLC, expansions, and anything extra you have for your game memberships and subscriptions previous drops and other rewards in-game purchases.)
https://help.ea.com/en/articles/ea-account/unlink-ea-account/