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BIOS Error (0x0005000F) Unexpected response format ExchangeXBOXAuthCode 0x80072EFD

Error
2

State

No action taken
Issue key
DZG-144
Access
Public
Space
DayZ
Project
Stable Feedback
Creator
wh3at13y
Created
Jul 26, 2026
Views
399
Platform
Microsoft Store Version
What happened?

I logged out and closed the game to go do some stuff, when i returned my Xbox app said my gamepass had expired. After renewing my subscription i launched the game and after the main menu loaded i was met with the error message. I have troubleshot extensively on my end and have not found a fix.

  • Confirmed via packet capture: TLS handshake to xsts.auth.xboxlive.com completes successfully with bidirectional application data — network layer is not at fault

  • Ruled out: router/firewall, DNS, WAM broker cache (rebuilt clean), Credential Manager token clutter, app package corruption (verified Ok status)

  • Confirmed other Game Pass titles (Forza) authenticate successfully under the same account on the same device

  • Isolated to DayZ specifically

Reproduction steps

Happens every time i load the game on all accounts singed in

Exact build version (optional)
1.29.136451
Where did it happen?
Official
Is it modded?
No
Expected result
—
Public attachments1 file · visible to everyone

Screenshot_2026_07_26_112924.png

3.5 MB

Reactions

Activity

    3 months ago
  • wh3at13y
    created issue3 months ago
  • 3 months ago
  • l909
    Moderator
    3 months ago
    l909
    Moderator
    3 months ago

    Hello.
    This error usually means the game cannot reach the BIOS that loads the server list

    what you can try:

    • Check Xbox network

    Go to Xbox Settings - General - Network settings
    Run Test network connection and Test multiplayer connection

    • Restart your router

    • Try another network

    try using a mobile hotspot or another internet connection, e.g. wired

    • Try changing DNS

    In Xbox network settings, set DNS manually to: 8.8.8.8 or 8.8.4.4

  • l909
    changed state to
    NEED MORE INFO
    3 months ago
  • 3 months ago
  • wh3at13y(edited)
    3 months ago
    wh3at13y(edited)
    3 months ago

    I found the network issue on my pc that caused this issue and it is resolved plese close the ticket at your convenience, thanks.

  • 2 months ago
  • l909
    changed state to
    NO ACTION TAKEN
    2 months ago

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State

No action taken
Issue key
DZG-144
Access
Public
Space
DayZ
Project
Stable Feedback
Creator
wh3at13y
Created
Jul 26, 2026
Views
399