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ERROR_DS_SAM_NEED_BOOTKEY_PASSWORD
Security Account Manager needs to get the boot password.
ERROR_DS_SAM_NEED_BOOTKEY_PASSWORD is Win32 error 8529 (0x00002151) and concerns Security Account Manager startup requiring a boot-key password.
What to verify
Verify whether the supported boot-key material can be supplied and validated before SAM exposes account data. Check SAM and System event logs, configured boot-key mode, and startup/recovery environment.
Likely causes
- legacy SysKey configuration expects a startup password.
- the stored boot-key mode requires interactive input.
- startup occurs outside the normal protected path.
- boot-key configuration is incomplete or damaged.
Troubleshooting steps
- Collect SAM and System event logs.
- Record configured boot-key mode.
Handling, retry, and recovery
Use the documented recovery process and authorized boot-key material; do not bypass SAM protection or repeatedly guess credentials.
Related errors
ERROR_DS_SAM_NEED_BOOTKEY_FLOPPY expects removable boot-key media rather than a typed password
Example
A restored legacy system uses startup-password SysKey mode. Recovery personnel provide the escrowed password through the supported startup path and then migrate away from the obsolete configuration.
References
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