Security Systems Error Code
Systems & Devices
Security Systems
0xC0000071 | Password expired
Industry
Systems & Devices
Canonical
/systems/security-systems/error-codes/0xc0000071/
Last Updated
Feb 27, 2026
Summary
The account password has expired and must be changed before login can succeed.
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What This Code Means
0xC0000071 indicates the user’s password has expired per policy. Authentication will fail until the password is updated using an allowed method.
Where Users Usually See This Code
- Domain logon failures for users with expired passwords
- Service accounts that were not rotated
Why This Code Appears
- Password age policy reached
- Account not rotated/managed for long periods
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What Typically Happens Next
- Login fails; user must change password
- Automations using that account fail until updated
What This Code Is Not
- It is not an account lockout (that is a different condition)
- It is not necessarily a wrong password attempt
Troubleshooting Checklist
- □ Change the password through approved channels
- □ Update stored credentials for services/scheduled tasks
Notes And Edge Cases
Service accounts with expiring passwords require credential rotation practices to avoid outages.
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Related Codes
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