[GH-ISSUE #2854] Starting Ollama a second time on Windows 11 creates another instance #48252

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opened 2026-04-28 07:23:22 -05:00 by GiteaMirror · 3 comments
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Originally created by @jmorganca on GitHub (Mar 1, 2024).
Original GitHub issue: https://github.com/ollama/ollama/issues/2854

Originally assigned to: @dhiltgen on GitHub.

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Originally created by @jmorganca on GitHub (Mar 1, 2024). Original GitHub issue: https://github.com/ollama/ollama/issues/2854 Originally assigned to: @dhiltgen on GitHub. ![image](https://github.com/ollama/ollama/assets/251292/f39e33c2-2789-4cf8-97b0-7cc5a0eb7420)
GiteaMirror added the bugwindows labels 2026-04-28 07:23:23 -05:00
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@dhiltgen commented on GitHub (Mar 11, 2024):

This was fixed.

<!-- gh-comment-id:1989384786 --> @dhiltgen commented on GitHub (Mar 11, 2024): This was fixed.
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@dhiltgen commented on GitHub (Mar 15, 2024):

There may still be a corner case leading to this. Possibly a server crash is related to the detection logic failing and allowing multiple copies of the app to start.

<!-- gh-comment-id:1999912607 --> @dhiltgen commented on GitHub (Mar 15, 2024): There may still be a corner case leading to this. Possibly a server crash is related to the detection logic failing and allowing multiple copies of the app to start.
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@dhiltgen commented on GitHub (Sep 24, 2024):

Two variations that might lead to somewhat similar behavior:

  • Another copy of Ollama running on 11434 in another user account on the windows system (although this is more likely to lead to the app exiting in error)
  • Setting OLLAMA_HOST (e.g. different port)
<!-- gh-comment-id:2371694016 --> @dhiltgen commented on GitHub (Sep 24, 2024): Two variations that might lead to somewhat similar behavior: - Another copy of Ollama running on 11434 in another user account on the windows system (although this is more likely to lead to the app exiting in error) - Setting OLLAMA_HOST (e.g. different port)
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Reference: github-starred/ollama#48252