The following status codes are described in the SSPI documentation.
| Status Code | Meaning |
|---|---|
| SEC_E_NOT_OWNER | The caller of the function does not own the credentials. |
| SEC_E_CANNOT_INSTALL | The security package cannot initialize successfully, and should not be installed. |
| SEC_I_PACKAGE_INSTALLED | Informational return indicating that the package installed itself successfully. |
| SEC_E_INVALID_HANDLE | The handle passed to the function is invalid. |
| SEC_E_CANNOT_PACK | The package is unable to pack the context. |
| SEC_E_INVALID_TOKEN | The token passed to the function is invalid. |
| SEC_E_NOT_SUPPORTED | The request is not supported. |
| SEC_E_QOP_NOT_SUPPORTED | The quality of protection attribute is not supported by this package. |
| SEC_E_NO_TOKEN | The context does not possess an impersonation token. |
| SEC_E_TARGET_UNKNOWN | The target was not recognized. |
| SEC_E_SECPKG_NOT_FOUND | The security package was not recognized. |
| SEC_E_NO_IMPERSONATION | No impersonation is allowed for this context. |
| SEC_E_LOGON_DENIED | This status code is obsolete. |
| SEC_E_UNKNOWN_CREDENTIALS | The credentials provided were not recognized. |
| SEC_E_NO_CREDENTIALS | No credentials are available. |
| SEC_E_MESSAGE_ALTERED | The message supplied for verification has been altered. |
| SEC_E_OUT_OF_SEQUENCE | The message supplied for verification is out of sequence. |
| SEC_E_NO_AUTHENTICATING_AUTHORITY | No authority could be contacted for authentication. |
| SEC_E_BAD_PKGID | The requested package identifier does not exist. |
| SEC_E_CONTEXT_EXPIRED | The context has expired, and can no longer be used. |
| SEC_E_INCOMPLETE_MESSAGE | The message supplied was incomplete. The signature was not verified. |
| SEC_I_CONTINUE_NEEDED | The function completed successfully, but you must call this function again to complete the context. |
| SEC_I_COMPLETE_NEEDED | The function completed successfully, but you must call the CompleteAuthToken function on the final message. |
| SEC_I_COMPLETE_AND_CONTINUE | The function completed successfully, but the application must call both CompleteAuthToken and this function to complete the context. |