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ERROR_INTERNAL_DB_CORRUPTION
The account database could not safely complete the security operation
ERROR_INTERNAL_DB_CORRUPTION is not an ordinary “user not found” or validation result. The security-account layer detected catastrophic media failure or corruption of on-disk data structures while handling the operation. Because SAMR and LSA operations modify security principals and policy through managed database objects, retrying the same write does not repair the underlying persistent state.
Stop automated create/delete loops and preserve the first relevant system and security-service events. Check storage health and supported backup or recovery paths for the affected system or domain controller. After recovery, query the account object and membership state before replaying the failed request: a multi-step operation might have changed some state before the database failure was surfaced.
What to inspect
- Preserve event logs and storage diagnostics before attempting broad repairs.
- Use supported system/domain backup and recovery procedures rather than editing SAM or SECURITY data directly.
- Re-read the affected user/group/domain state before replaying a write operation.
References
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