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WU_E_MAX_CAPACITY_REACHED
WU_E_MAX_CAPACITY_REACHED means that the Windows Update service reached its maximum capacity for the requested operation. It is a capacity condition, not proof that the update metadata or package is invalid.
How to handle it
- Retry later with backoff rather than immediately starting many parallel scans or installations.
- Preserve the update-specific context so that a later retry can be correlated with the original failure.
- Check whether a managed update service or local policy is contributing to the load condition.
Microsoft: Windows Update error reference
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