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# BluetoothLESecurityManagerPairingFailedReasonCode

```
struct BluetoothLESecurityManagerPairingFailedReasonCode
```

## Topics

### Constants

[`kBluetoothLESecurityManagerReasonCodeAuthenticationRequirements`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeAuthenticationRequirements)

[`kBluetoothLESecurityManagerReasonCodeBREDRPairingInProgress`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeBREDRPairingInProgress)

[`kBluetoothLESecurityManagerReasonCodeCommandNotSupported`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeCommandNotSupported)

[`kBluetoothLESecurityManagerReasonCodeConfirmValueFailed`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeConfirmValueFailed)

[`kBluetoothLESecurityManagerReasonCodeCrossTransportKeyDerivationGenerationNotAllowed`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeCrossTransportKeyDerivationGenerationNotAllowed)

[`kBluetoothLESecurityManagerReasonCodeDHKeyCheckFailed`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeDHKeyCheckFailed)

[`kBluetoothLESecurityManagerReasonCodeEncryptionKeySize`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeEncryptionKeySize)

[`kBluetoothLESecurityManagerReasonCodeInvalidParameters`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeInvalidParameters)

[`kBluetoothLESecurityManagerReasonCodeNumericComparisonFailed`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeNumericComparisonFailed)

[`kBluetoothLESecurityManagerReasonCodeOOBNotAvailbale`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeOOBNotAvailbale)

[`kBluetoothLESecurityManagerReasonCodePairingNotSupported`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodePairingNotSupported)

[`kBluetoothLESecurityManagerReasonCodePasskeyEntryFailed`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodePasskeyEntryFailed)

[`kBluetoothLESecurityManagerReasonCodeRepeatedAttempts`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeRepeatedAttempts)

[`kBluetoothLESecurityManagerReasonCodeReserved`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeReserved)

[`kBluetoothLESecurityManagerReasonCodeReservedEnd`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeReservedEnd)

[`kBluetoothLESecurityManagerReasonCodeReservedStart`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeReservedStart)

[`kBluetoothLESecurityManagerReasonCodeUnspecifiedReason`](/documentation/IOBluetooth/kBluetoothLESecurityManagerReasonCodeUnspecifiedReason)


---

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