HRESULT 0xC00D428E (MF_E_NET_SERVER

Status / error code:

Category:

Constant name:

Source:

Facility:

Operating System:

Description:

The media server is temporarily unable to handle the request.

Previous	Next
MF_E_NET_PROXY_TIMEOUT	MF_E_NET_TOO_MUCH_DATA

MF_E_NET_SERVER_UNAVAILABLE

MF_E_NET_SERVER_UNAVAILABLE indicates a temporary server-side unavailability, typically overload or maintenance. It should not be treated as proof that the URL or credentials are invalid.

What to check for MF_E_NET_SERVER_UNAVAILABLE

Check server capacity, maintenance windows, and upstream dependency health.
Retry with backoff after confirming that the endpoint is intended to be temporary.
Use server and proxy logs to distinguish overload from an incorrect route.

RFC 9110: HTTP semantics

Microsoft: Windows Media Server cache proxy functionality

Microsoft: Media Foundation client logging

Diagnostic interpretation of MF_E_NET_SERVER_UNAVAILABLE

MF_E_NET_SERVER_UNAVAILABLE has the HRESULT value 0xC00D428E. AllStat records the condition as “The server is currently unable to handle the request due to a temporary overloading or maintenance of the server.%0”. For MF_E_NET_SERVER_UNAVAILABLE, in practice, interpret that wording at the boundary owned by Media Foundation or Windows media pipeline state, rather than treating the value as a generic Windows message.

Evidence to capture for MF_E_NET_SERVER_UNAVAILABLE

Record the exact COM method or Windows API, its input object, the calling thread, and the full 0xC00D428E value before a wrapper converts it to an exception or Boolean result.
Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions MF_E_NET_SERVER_UNAVAILABLE or the mf / net / server / unavailable operation.
Preserve the first failure in the call chain; a later HRESULT can describe cleanup rather than the original mf / net / server / unavailable condition.

Retry and recovery for MF_E_NET_SERVER_UNAVAILABLE

Retry MF_E_NET_SERVER_UNAVAILABLE only when the owning API documents a transient state or after the condition described as “The server is currently unable to handle the request due to a temporary overloading or maintenance of the server.%0” has changed. For MF_E_NET_SERVER_UNAVAILABLE, configuration, policy, format, and authorization failures normally require correction first; an immediate loop can hide the original call site and add secondary errors.

Looking for a different code? Search another status or error code.