The following events should be logged by all Microsoft Exchange Server gateways. An individual gateway may log additional events.
| Category |
ID |
Type |
Event |
Description |
| 1 |
1100 |
Informational |
Gateway starting. |
Gateway starting. |
| 1 |
1101 |
Informational |
Gateway started. |
Gateway started. |
| 1 |
1102 |
Informational |
Gateway stopping. |
Gateway stopping. |
| 1 |
1103 |
Informational |
Gateway stopped. |
Gateway stopped. |
| 2 |
1200 |
Error |
MAPI logon failed. |
MAPI logon failed: Error (%1). |
| 2 |
1201 |
Error |
Unexpected error from MAPI. |
MAPI Error (%1). |
| 4 |
1400 |
Error |
Unable to access registry. |
Error accessing registry: Error (%1). |
| 4 |
1401 |
Error |
Unable to access configuration information. |
Error accessing configuration information: Error (%1). |
| 4 |
1402 |
Error |
Unable to open audit log. |
Unable to open audit log: Error (%1). |
| 4 |
1403 |
Error |
Unable to write audit log. |
Unable to write audit log: Error (%1). |
| 4 |
1404 |
Error |
Unable to initialize gateway. |
Unable to initialize gateway. |
| 5 |
1500 |
Error |
Memory allocation error. |
Thread (%1): Memory allocation error. |
| 5 |
1501 |
Error |
Unable to create thread. |
Thread create failed. |
| 5 |
1502 |
Error |
Unknown system error. |
Unknown system error (%1). |
| 6 |
1600 |
Warning |
Address mapping failed. |
Address mapping failed. Message (%1) may be non-delivered for recipient (%2). |
| 6 |
1601 |
Warning |
Message translation failed. |
Message translation failed. Message (%1) may be non-delivered. |
| 6 |
1602 |
Warning |
Unexpected message class received. |
Unexpected message class received: Class (%1), ID (%2). |
| 6 |
1602 |
Warning |
Message nondelivered. |
Message (%1) nondelivered for recipient (%2). |
| 7 |
1700 |
Warning |
Failed connection attempt to foreign system. |
Failed connection attempt to foreign system (%1). |
| 7 |
1701 |
Error |
Communications error. |
Communications error (%1). |
| 7 |
1702 |
Warning |
Connection attempt from unknown foreign system. |
Connection attempt from unknown foreign system. |