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| WU_E_AU_NOSERVICE | WU_E_AU_LEGACYCLIENTDISABLED |
WU_E_AU_NONLEGACYSERVER
WU_E_AU_NONLEGACYSERVER is a compatibility error from the legacy Automatic Updates model: the client is too old for the update server it contacted. On current Windows releases, WUA components are serviced through normal Windows updates; this code is mainly relevant to older client/server combinations.
What to check
- Confirm the Windows version and Windows Update Agent level of the affected device.
- Do not try to make an unsupported legacy client work against a newer WSUS deployment by changing protocol settings.
- Use the supported servicing path to bring the client to a compatible level, then retry detection.
Microsoft: update Windows Update Agent to latest version
Microsoft: updating the Windows Update Agent
Microsoft: Windows Update error reference
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