Players trying to start Diablo IV on September 15 faced a locked door instead of a new adventure. The launch of Season 15, titled Season of Hell's Legacy, stalled because servers rejected login attempts across all major platforms. This delay matters because it stops users from accessing new content and highlights the technical strain of releasing a major title on the new Nintendo Switch 2 simultaneously.
Authentication failures block access across PC and consoles
Blizzard confirmed that the game is unavailable for new sessions due to widespread authentication failures. The issues hit PC, Xbox, PlayStation, and Nintendo Switch 2 users alike. Most players encountered error code 300008, though some also saw codes 300006 and 300202. These errors prevented accounts from connecting to the game servers during the initial launch window.
- Error Code: 300008, 300006, 300202
- Affected Platforms: PC, Xbox, PlayStation, Nintendo Switch 2
- Season Name: Season of Hell's Legacy
The company acknowledged the server-side problems and moved the Season 15 release to a later date. Blizzard stated they are working to resolve the issues and will share updates as they become available. Server complaints peaked around 12:30 PM EST, but some users continued to experience errors well after that time.
We looked at the last Diablo IV update earlier while tracking stability themes across the platform. That previous patch also caused significant launch friction for handheld users. This new delay coincides with the Switch 2 port launch, adding complexity to the rollout.
Season 15 remains delayed until Blizzard fixes the authentication errors. Players should wait for official confirmation before attempting to log in again.
Source: NotebookCheck
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