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Providers should return errors to the caller by using one of the error codes shown in the following table.
| Error | Error code (hexadecimal) | Description |
|---|---|---|
| OSC_E_AUTH_ERROR |
0x80041404 |
Authentication failed on the network of the social network site. |
| OSC_E_COULDNOTCONNECT |
0x80041402 |
No connection is available to connect to the social network site. |
| OSC_E_FAIL |
0x80004005 |
General failure error. |
| OSC_E_INTERNAL_ERROR |
0x80041400 |
An internal error occurred because of an invalid operation. |
| OSC_E_INVALIDARG (E_INVALIDARG) |
0x80070057 |
An invalid argument was passed to a function. |
| OSC_E_NO_CHANGES |
0x80041406 |
No changes have occurred since the last synchronization. |
| OSC_E_NOT_FOUND |
0x80041405 |
A resource cannot be found. |
| OSC_E_NOT_IMPLEMENTED (E_NOTIMPL) |
0x80004001 |
The request to the social network site is valid but has not been implemented by the social network site. |
| OSC_E_OUT_OF_MEMORY (E_OUTOFMEMORY) |
0x8007000E |
An out-of-memory error occurred. |
| OSC_E_PERMISSION_DENIED |
0x80041403 |
The OSC provider denied permission for the resource. |
| OSC_E_SERVER_VERSION_NOT_SUPPORTED |
0x80041406 |
The version of the server to configure the social network account is not supported. |
| OSC_E_VERSION |
0x80041401 |
The provider does not support this version of OSC provider extensibility. |
Remarks
Success, warning, and error values are returned by using a 32-bit number that is called a result handle, or HRESULT. An HRESULT is not a handle to anything; it is merely a 32-bit value that has several fields encoded in the value. A positive result indicates success with status, a zero result indicates success without status (S_OK), and a negative result indicates failure.