Red Dead Online Error Code 0x10001023

Last Updated: September 18, 2025

Question: What can I do about the following error when trying to join Red Dead Online on PC?

  • You have been disconnected from Red Dead Online because the connection to Rockstar Games Services was lost. [Error Code: 0x10001023]

Answer: Error code 0x10001023 occurs if your network address or configuration cannot communicate with Rockstar Games Services. Try the following troubleshooting steps to resolve it:

Check your open network ports

Red Dead Online requires the following ports to be open:

  • Port 6672 (UDP)

  • Port 61455 (UDP)

  • Port 61457 (UDP)

  • Port 61456 (UDP)

  • Port 61458 (UDP)

Change your Domain Name Servers (DNS)

  1. Go to Settings

  2. Click Network and Internet

  3. Under Advanced network settings, click on Change adapter options

  4. Right-click on your Wi-Fi or Ethernet connection, depending on which you are currently using, then select Properties

  5. Select Internet Protocol Version 4 (TCP/IPv4) and make sure the box is checked

  6. Click Properties

  7. Select Use the following DNS server

  8. Enter the following DNS addresses in their respective text box:

    • Preferred DNS server: 8.8.8.8

    • Alternate DNS server: 8.8.4.4

  9. Select Validate settings upon exit

  10. Click OK

  11. Select Internet Protocol Version 6 (TCP/IPv6) and make sure the box is checked

  12. Click Properties

  13. Enter the following DNS addresses in their respective text box:

    • Preferred DNS server: 2001:4860:4860::8888

    • Alternate DNS server: 2001:4860:4860::8844

  14. Select Validate settings upon exit

  15. Click OK

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