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UnauthorizedAccessException Class

The exception that is thrown when the operating system denies access because of an I/O error or a specific type of security error.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

[SerializableAttribute] 
[ComVisibleAttribute(true)] 
public class UnauthorizedAccessException : SystemException
/** @attribute SerializableAttribute() */ 
/** @attribute ComVisibleAttribute(true) */ 
public class UnauthorizedAccessException extends SystemException
SerializableAttribute 
ComVisibleAttribute(true) 
public class UnauthorizedAccessException extends SystemException
Not applicable.

The reasons for the exception can be found in the details of the exception object. How to: Use the Exception Assistant
How to: Use the Exception Assistant
How to: Use the Exception Assistant
How to: Use the Exception Assistant

UnauthorizedAccessException uses the HRESULT COR_E_UNAUTHORIZEDACCESS, which has the value 0x80070005.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0
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