NTSTATUS 0xC000A013 (STATUS_PROTOCOL_NOT

Status / error code:		Category:

Constant name:
Source:	Operating System:
Description: The requested protocol is not installed locally.

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STATUS_HOPLIMIT_EXCEEDED	STATUS_FASTPATH_REJECTED

STATUS_PROTOCOL_NOT_SUPPORTED

The local machine does not have the requested protocol installed

These status values come from the Windows Filtering Platform path. For STATUS_PROTOCOL_NOT_SUPPORTED, wFP classifies traffic through layers, filters, provider contexts, sublayers, and callouts; IPsec policy is also configured through WFP at IKE/AuthIP-related layers.

This transport status means the requested protocol is unavailable on the local system. It is different from a remote protocol rejection or a blocked firewall rule.

For STATUS_PROTOCOL_NOT_SUPPORTED, for diagnostics, keep the failing API call, layer or sublayer key, provider context type, filter condition set, callout id, engine state, and whether the Base Filtering Engine, IKEEXT, TCP/IP stack, or L2 path was ready.

What to inspect

Identify the protocol number or provider requested.
Check installed network components and bindings.
Separate missing local protocol support from network reachability.

References for STATUS_PROTOCOL_NOT_SUPPORTED

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