Many players are facing error code 727e66ac on PS4 and Xbox One while playing the NBA 2K20 game. 2K error code 727e66ac could trigger through various reasons, most likely network connection related. Unfortunately, 2K games consider it as an unidentified error. However, we have posted some workarounds and fixes for this problem. Check out full details below.
Try making another player. Upon making the player skip the prelude and your new player should load right up no issue. You can then quit to the main menu and load your original player up and the NBA 2K21 727e66ac error should be gone.
Check your Network Address Translation (NAT) Type settings
Open NAT Type will have fewer conflicts with other player systems and encounter less connectivity issues.
NAT Type Settings
Check your Firewall / Router for NAT Type restrictions
If you have a firewall or other network hardware, such as a router, you may need to access them to change your NAT type. Sometimes this configuration change is caused by opening or forwarding other network ports.
Check your Open Network Ports
PlayStation Network uses the following ports for communication with game servers:
Change your DNS and update it with the following.
Select / Enter the following details
PRIMARY: 18.104.22.168 (Open DNS)
SECONDARY: 22.214.171.124 (Open DNS)
PRIMARY: 126.96.36.199 (google DNS)
SECONDARY: 188.8.131.52 (google DNS)
Restart your console:
Make sure your game software is up to date:
Make sure your PS4’s system software has the most recent update:
Clear your PS4’s cache to fix error 727e66ac:
NBA 2K20 error code 727e66ac on PS4 and Xbox One is a general error indicating that the game has crashed.