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ERROR_EVT_INVALID_CHANNEL_PROPERTY_VALUE
The proposed Event Log channel property value is invalid
EvtSetChannelConfigProperty accepts an EVT_VARIANT whose type must match the selected property identifier. Valid values also depend on channel type and isolation: a property may be read-only, unsupported for that channel, outside its permitted range or inconsistent with another setting. A syntactically valid value is not necessarily applicable to every channel.
Read the existing property and its variant type before setting it. Change the in-memory configuration with EvtSetChannelConfigProperty, then call EvtSaveChannelConfig with elevated permissions. If a manifest owns the setting, fix the manifest or product installer rather than repeatedly forcing a runtime value that registration will overwrite.
What to inspect
- Log the property identifier, EVT_VARIANT type and value.
- Check channel type, isolation and whether the property is writable.
- Save changes explicitly and handle elevation separately from validation.
References
- Microsoft: EvtSetChannelConfigProperty
- Microsoft: EvtSaveChannelConfig
- Microsoft: event manifest channel definition
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