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0x80070520SystemMedium

Error 0x80070520 — No Such Privilege (ERROR_NO_SUCH_PRIVILEGE) | Windows System Error Fix

Windows 11Windows 10Windows Server 2022

What Does 0x80070520 Mean?

A specified privilege does not exist.

Real-World Causes

  1. 1Application requesting a privilege that does not exist on this Windows version
  2. 2Misspelled privilege name in security configuration
  3. 3Group Policy referencing a non-existent privilege
  4. 4Corrupted security policy database

Symptoms

  • ⚠Security policy configuration fails
  • ⚠Application privilege escalation fails
  • ⚠Group Policy application errors
  • ⚠Service fails to start due to privilege error

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Run 'sfc /scannow' to repair security policy files
  2. 2Reset Local Security Policy to defaults: 'secedit /configure /cfg %windir%\inf\defltbase.inf /db defltbase.sdb /verbose'
  3. 3Check Group Policy for invalid privilege assignments

Advanced Fix

For experienced users and IT professionals

  1. 1Review the security policy with 'secpol.msc' and correct any invalid privilege names
  2. 2Export and reimport security policies to fix corruption

Frequently Asked Questions

What are Windows privileges?
Windows privileges are specific rights granted to users or services, like SeBackupPrivilege (backup files), SeDebugPrivilege (debug processes), or SeShutdownPrivilege (shut down the system). They control access to sensitive system operations.

Related Error Codes

0x80070522Privilege Not Held (ERROR_PRIVILEGE_NOT_HELD)0x80070005Access Denied (ERROR_ACCESS_DENIED)

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.