Devkit activation apps won’t launch

Discus and support Devkit activation apps won’t launch in XBoX on Windows to solve the problem; Each time I try launch de kit activation on my series X I got this error: For some unknown reason, the start of Dev Mode was too long. (0x8027025a) how... Discussion in 'XBoX on Windows' started by Nalesty, Apr 2, 2025 at 1:42 AM.

  1. Nalesty
    Nalesty Guest

    Devkit activation apps won’t launch


    Each time I try launch de kit activation on my series X I got this error: For some unknown reason, the start of Dev Mode was too long. (0x8027025a) how to fix that

    :)
     
  2. RafaelMouraB-DB3E4E3 Win User

    Xbox One Dev Mode publishing

  3. dsss90 Win User

    Xbox Devkit Activation Failed

    When you receive and run the dev mode activation app, the app automatically shuts down after page 2. All devkits have the same problem.
  4. Radiant Sword X Win User

    Dev Mode Activation app

    Hi. Here is the link to the information on where to get the code: https://docs.microsoft.com/en-us/windows/uwp/xbox-apps/devkit-activation
  5. dsss90 Win User

    Xbox Devkit Activation Failed

    No, I'm using Devkit.

    The "Devkit Activation Failed" sign appears as soon as you press the Xbox.
    Error Code is 8015963D.

    https://docs.microsoft.com/en-us/answers/questions/525665/xbox-game-development-devkit-activation-failed-amp.html
    There is a problem like the link above.
  6. ChiefJoboo Win User

    Dev storage

Thema:

Devkit activation apps won’t launch

Loading...
  1. Devkit activation apps won’t launch - Similar Threads - Devkit activation apps

  2. So my account got suspended but when I checked in the enforcement history I got no active...

    in XBoX Accessibility
    So my account got suspended but when I checked in the enforcement history I got no active...: My account got suspended but when I checked the enforcement history It’s got no active suspensions and I can’t even appeal the suspension a7566f06-3be5-4e18-b768-6c82cda1a07f
  3. Devkit activation fails.

    in XBoX on Consoles
    Devkit activation fails.: hello This is Ryan from KRAFTON HQ in Korea. We purchased an Xbox Series X devkit in April, and when we received it and tried to use it, we kept getting Activation Failed. The exact error...
  4. purchase xbox devkit

    in XBoX on Consoles
    purchase xbox devkit: Hello I am unable to find the form to complete the purchase of an additional series x devkit. Please can you help? 6a25c580-f9d8-476a-8c1d-7680031b20f3
  5. Devkit Activation Failed

    in XBoX on Consoles
    Devkit Activation Failed: Hi! Please help me: - I enter the dev menu in my xbox one dev kit. - I have an error: "DevKit Activation Failed. Error 0x8015964D" In addition: - DevKit Mode app from store, crashes after...
  6. Xbox Devkit Activation Failed

    in XBoX on Windows
    Xbox Devkit Activation Failed: 1. "Devkit Activation Failed" is displayed when Devkit is run after Xbox Devkit has been received. The error code is "8015963D". Can you tell me how to solve it? 2. Access is not available...
  7. Gamepass on series x devkit

    in XBoX on Consoles
    Gamepass on series x devkit: Trying to play gamepass games on series x devkit - either in developer or retail mode. Either case fails - says page not found or redirects to xbox store with a blank screen. Am I attempting the...
  8. Xbox Dev Mode companion can't connect to the devkit.

    in XBoX Games and Apps
    Xbox Dev Mode companion can't connect to the devkit.: Hello, I'm having a really strange issue where I'm able to connect to the XB1 devkit using the Xbox Dev Mode companion after the devkit performs a system update, but if I restart the devkit at any...
  9. Habe auf der xboxone S die gerade mal 6 Monate Alt ist Retail Devkit drauf was ist das und...

    in XBoX on Consoles
    Habe auf der xboxone S die gerade mal 6 Monate Alt ist Retail Devkit drauf was ist das und...: Meine xboxone S hat ein Devkit und ich weis nicht woher dadurch ist der Entwicklungsmodus für App und Spiele updates deaktiviert. Was soll ich machen von soetwas hab ich keine Ahnung Können sie...
  10. DevKit Profile Picture

    in XBoX on Consoles
    DevKit Profile Picture: Hey everybody! I have a question here that needs to be clarified. Earlier today I saw an old forum post about being able to access some developer settings through a weird trick, and being as...