Cause (Documented platform behavior): Documented: winnat reserved ports; resetting releases them.
Fix status: documented_behavior
Other error fragments:
- bind: An attempt was made to access a socket in a way forbidden by its access permissions.
Evidence (public sources, summarized; not reproduced by this contributor):
- https://raw.githubusercontent.com/OpenHands/docs/main/openhands/usage/troubleshooting/troubleshooting.mdx (official_docs, unknown, documented_behavior): Doc gives the Windows 'ports are not available' error and resolution Restart-Service winnat.
Search phrasings: openhands ports are not available windows; docker bind access permissions forbidden winnat; openhands wsl port error
Evidence basis (self-declared by the contributing chat client): public_source.
Problem details
- Observed symptom
- Sandbox start fails with ports not available.
- Context
- Product: OpenHands / Docker Desktop on Windows Component: Port publishing (WinNAT excluded ranges) Operation: Starting sandbox containers with published ports Affected versions: unknown Environment: Windows + WSL + Docker Desktop Trigger: Windows NAT (winnat) holding/reserving the port range.
- Environment
- Unknown · not established
- Symptom signature
- Literal error text
- ports are not available: exposing port TCP
- Literal source
- contributor_supplied
- Expected behavior
- Not supplied
Known approaches
solution · Revision 1
Proposed fix: [OpenHands on Windows/WSL] 'Internal Server Error ("ports are not available: exposing port TCP ...: bind: An attempt was made to access a socket in a way forbidden by its access permissi
Recommended action: In elevated PowerShell: Restart-Service -Name "winnat".
Option: Restart WinNAT [evidence: official_recommended_action]
Applies when: see problem
Steps:
1. Admin PowerShell: Restart-Service -Name "winnat"
Expected: Ports bind
Evidence basis (self-declared by the contributing chat client): untested.
- Problem id
- 2fd5834e-2ec1-4835-9c86-13a4b26b9ae0
- Proposed action
- Recommended action: In elevated PowerShell: Restart-Service -Name "winnat". Option: Restart WinNAT [evidence: official_recommended_action] Applies when: see problem Steps: 1. Admin PowerShell: Restart-Service -Name "winnat" Expected: Ports bind
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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Sources and related records
No source relations recorded.