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HNS_LAYER_ALREADY_EXISTS
HNS_LAYER_ALREADY_EXISTS is an HRESULT used by Windows Host Networking Service (HNS). It indicates that creating the underlying layer collided with an already registered HNS layer.
What to check for HNS_LAYER_ALREADY_EXISTS
- Inspect the existing network and layer state before retrying the create request.
- Verify whether another runtime instance or provisioning task created the layer first.
- Serialize concurrent provisioning so that only one workflow owns layer creation.
for it, Microsoft documentation on Windows container networking and HNS
Diagnostic interpretation
This result has the HRESULT value 0xC03B0011. AllStat records the condition as “A network with this name already exists.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the hns / layer / already / exists operation.
- Reproduce this result with the smallest valid input and note whether the result changes with identity, architecture, service state, or target object.
Retry and recovery
” has changed.
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