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HNS_SWITCH_NOT_FOUND
HNS_SWITCH_NOT_FOUND is an HRESULT used by Windows Host Networking Service (HNS). It indicates that the virtual switch named by the HNS network configuration is missing or unavailable.
What to check for HNS_SWITCH_NOT_FOUND
- List Hyper-V virtual switches and compare their names and identifiers with the HNS configuration.
- Check whether a virtual switch was removed, renamed, or recreated after the network was defined.
- Recreate the dependent HNS network after restoring the intended virtual-switch configuration.
for it, Microsoft documentation on Windows container networking and HNS
Diagnostic interpretation
This result has the HRESULT value 0xC03B0004. AllStat records the condition as “The virtual switch was not found.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the hns / switch / found operation.
- check the documented return contract of the specific API because the same HRESULT can require different recovery in different interfaces.
Retry and recovery
” has changed.
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