IsEnabled method of the Win32_Tpm class
The IsEnabled method of the Win32_Tpm class indicates whether the device is enabled. This value can be changed by the Enable and Disable methods.
Syntax
uint32 IsEnabled(
[out] boolean IsEnabled
);
Parameters
-
IsEnabled [out]
-
Type: boolean
If true, the device is enabled.
Return value
Type: uint32
All TPM errors as well as errors specific to TPM Base Services can be returned.
Common return codes are listed below.
| Return code/value | Description |
|---|---|
|
The method was successful. |
Remarks
According to the Trusted Computing Group (TCG) v1.2 specification only the following commands are available when the device is in a deactivated state.
- TPM_ContinueSelfTest
- TPM_DSAP
- TPM_FlushSpecific
- TPM_GetCapability
- TPM_GetTestResult
- TPM_Init
- TPM_OIAP
- TPM_OSAP
- TPM_OwnerSetDisable
- TPM_PCR_Reset
- TPM_PhysicalDisable
- TPM_PhysicalEnable
- TPM_PhysicalSetDeactivated
- TPM_Reset
- TPM_SaveState
- TPM_SelfTestFull
- TPM_SetCapability
- TPM_SHA1Complete
- TPM_SHA1Start
- TPM_SHA1Update
- TPM_Startup
- TPM_TakeOwnership
- TPM_Terminate_Handle
Managed Object Format (MOF) files contain the definitions for Windows Management Instrumentation (WMI) classes. MOF files are not installed as part of the Windows SDK. They are installed on the server when you add the associated role by using the Server Manager. For more information about MOF files, see Managed Object Format (MOF).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Namespace |
Root\CIMV2\Security\MicrosoftTpm |
| MOF |
|
| DLL |
|
See also