How to

[FIXED] NBA 2K21 error code 56d85bb8 [NEW]


Some players are currently facing error code 56d85bb8 in NBA 2k21 on PS4, PS5, PC, and Xbox One. Players are reporting NBA 2k21 error code 56d85bb8 while accessing the game online. We have posted some details regarding this bug. Read how to fix NBA 2k21 error 56d85bb8.

What is error 56d85bb8 in NBA 2K21?

This particular error code is directly related to the available internet ports on your Wi-Fi router. A few port-related changes will fix this issue.

How to Fix NBA 2K21 error code 56d85bb8?

You need to assign a Static IP for PlayStation and Xbox One.


Check PlayStation IP:

  • Start the PlayStation 4 console.
  • Go to the main menu, go to Settings > Network > View Connection Status.
  • Locate both IP and MAC addresses and note them down for future reference.

Check Xbox One IP:

  • Press the menu button on Xbox.
  • Go to Settings > Network > Advance Settings.
  • Navigate to the IP address section and note down both IP and MAC addresses.

Set Static IP

  1. Open any web browser or Wifi router settings. Enter the IP address provided by your ISP.
  2. Now, log-in using your username and password into the internet portal.
  3. Navigate to Settings > Enable Manual Assignment option.
  4. Under the ‘Manual Assignment’ option, add both IP and MAC addresses > Select Add.

Enable Port Forwarding Setting in Wifi Router

  1. When you logged into IP address, search for the Port Forwarding section (Some times on Advanced Settings).
  2. In port forwarding setting, just enter the range of ports you want to open in Start and End / Internal and External.
  3. For NBA 2K21, you can follow the below port ranges:

NBA 2K21 – Steam

TCP: 27015-27030,27036-27037

UDP: 4380,27000-27031,27036


NBA 2K21 – Xbox One

TCP: 3074

UDP: 88,500,3074,3544,4500


NBA 2K21 – PlayStation 4

TCP: 1935,3478-3480

UDP: 3074,3478-3479


NBA 2K21 – Nintendo Switch

TCP: 6667,12400,28910,29900,29901,29920

UDP: 1-65535

  • Furthermore, input the created Static IP for the console and choose Enable or OK.
  • Then restart the console as well as the Wi-Fi router to apply all changes.

Some other fixes


Change the game server region either from the in-game settings or you can use a VPN service.

Mobile Hotspot


Try using mobile data hotspot to run the game.

Reinstall Game

You should try uninstalling and reinstalling the game completely.


The game developer is expected to release a fix to address NBA 2k21 error 56d85bb8.