IMS Error Codes.
| Constant | Value | Description |
|---|---|---|
| IMS_E_ACCESS_DENIED | -2147220991 | Server denied the access to the requested service. |
| IMS_E_PROXY_AUTHENTICATION_FAILED | -2147220990 | Proxy authentication required. |
| IMS_E_UNABLE_TO_CONNECT | -2147220989 | Unable to connect to the server. |
| IMS_E_MISSING_URL | -2147220988 | URL is missing. |
| IMS_E_MISSING_SERVICENAME | -2147220987 | Service name is missing. |