HRESULT 0x8024004E (WU_E_INFRASTRUCTUREFILE_REQUIRES

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Description:

Windows Update requires the infrastructure file to be downloaded with strong SSL.

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WU_E_INFRASTRUCTUREFILE_INVALID_FORMAT	WU_E_IDLESHUTDOWN_OPCOUNT_DISCOVERY

WU_E_INFRASTRUCTUREFILE_REQUIRES_SSL

WU_E_INFRASTRUCTUREFILE_REQUIRES_SSL means Windows Update rejected a transport path that did not meet the security requirement for the infrastructure file. Changing the local cache cannot make an insecure route acceptable.

What to check

Verify that the update service and any WSUS or proxy endpoint use the required secure HTTPS configuration.
Check for TLS interception, redirection, or downgrade behavior that alters the expected secure connection.
Confirm the system clock and certificate-validation path before modifying update-service policy.

Microsoft: Windows Update error reference

Microsoft: Windows Update log files

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